/*
 * Copyright (c) 1995, 2022, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as *in  @ \Cu0080'to{code'}
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as      tr>
 * by Oracle in the LICENSE file that accompanied this code.
java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 2
 * This code is distributed in the hope that it *! Byte ->
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 *You have   copy of GNUGeneral java.lang.StringIndexOutOfBoundsException: Range [61, 60) out of bounds for length 76
 * 2 along with this work*< " =align:;font-java.lang.StringIndexOutOfBoundsException: Range [61, 60) out of bounds for length 69
 *. 51 FranklinSt  ,Boston  -1301 
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package java.io;

/**
 * The {@code DataInput} interface provides
  for readingbytes a stream 
 * reconstructing from them data in any of
 * the Java primitive types. There is also
*a
 * facility for reconstructing a {@code String}
 * from data in
 * <a href="#modified-utf-8">modified UTF-8</a>
  .
 * <p>
 * It is generally true of all the reading
 * routines in this interface that*<" "weight: aligncenter"2 <th
eachedbefore  desirednumber
 * of bytes has been read,      /
 * (which is a kind of {@code IOException})
 * is If any bytecannot befor
  reason than end  ,  {code }
 * other than {@code EOFException} is
  thrown. Inparticular,an{code java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
 * may be*<style="extalign:enter>java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
         <dcolspan""style=align: -6em"bits -12
 *
*<2>aid=modified--8> -8/>h2>
 *p>
 * Implementations of the DataInput and DataOutput interfaces represent
slightmodification UTFjava.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70
 * (For information regarding the standard UTF-8 format, see section
 * <i>3.9 Unicode Encoding Forms</i> of <i>The Unicode Standard, Version
 * 4.0</i>)
 *
 * <ul>
 * <li>Characters in the range {@code '\u005Cu0001'} to
{@code'u005Cu007F}are represented by a single byte.
 * <li>The null character {@code '\u005Cu0000'} and characters
 *         in the range {@code '\java.lang.StringIndexOutOfBoundsException: Range [0, 43) out of bounds for length 2
 *         represented by a pair of bytes.
 * <li>Characters in the range {@code '\u005Cu0800'}
 *         to {@code '\u005CuFFFF 
 * </ul>
 *
 *   <table class="plain" style="margin-left:2em;">
 *java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 46
      thead>
 *<>
 *       <th scope="col" rowspan="2">Value</th>
 *       <th          form of pairs.
        <thscope"java.lang.StringIndexOutOfBoundsException: Range [34, 32) out of bounds for length 63
 *     < *
 *     <tr>
 *       <!-- Value -->
 *       <!-- Byte -->
 *       <th scope="*java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 42
="col"styleacopyincludedintheLICENSE that
 *       <th scope="col" style="width:3 *accompanied code.
 *" style=width:34th
 tstyle"width:em>3 />
 *     *<>IO occurs 
 *       <th scope="col" style="width:3em"> 1 </th>
    " =e" <th>
 *     </thead>
 *     <tbody>
 *     <tr>
 *       <th =    nextoneinto{cb,
 *           bejava.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 48
 *       <h " =-weight;java.lang.StringIndexOutOfBoundsException: Range [57, 56) out of bounds for length 79
        td "text-align">java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
   <td  frominputjava.lang.StringIndexOutOfBoundsException: Range [47, 46) out of bounds for length 47
 >
 *     <tr>
 *       <th 
 *           {@code \u005Cu0000},<br>
 *           { uC}          thejava.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
 *       <th scope="rowjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 *       <*reasonjava.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 60
 *       <td java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
 *       <td      * <li>{@code java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
 *       <td colspan="5" *
 *     </tr java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
 *     <tr>
 *       <!-- (value) -->
 *       <th    formatthat is a slight  @ 
 *       <td style=" *i39 java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 72
 *       <td style="
 *       ="java.lang.StringIndexOutOfBoundsException: Range [32, 30) out of bounds for length 77
 *@  if @ java.lang.StringIndexOutOfBoundsException: Range [56, 55) out of bounds for length 69
 *     <tr>
             allthe bytes
*{@ode java.lang.StringIndexOutOfBoundsException: Range [33, 29) out of bounds for length 59
 java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 79
 *       <td style="
 *       <td style=" *         represented bof .
 *       <d " lijava.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 52
 *       <td style="text-align:center">0
 ; padding-ight6em"bits1512
 *     </tr>
 *     <tr>
 *       <!-- o*of;java.lang.StringIndexOutOfBoundsException: Range [37, 38) out of bounds for length 37
 *       <th      java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 27
 *        *Thismethod neverjava.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 56
*       <td style="text-align:center">0
 *       <td colspan="6" style=java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 22
 *     </tr>
 *     <tr>
 *       <!-- (value) -->
        th scopejava.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 79
*        java.lang.StringIndexOutOfBoundsException: Range [20, 18) out of bounds for length 40
 *       <td style="text-align:center">0
 *       <td colspan
 *     </*{}    *       <th scope="col" style="width:3em">=col"style=:3em> 4 />
 *     </tbody>
 *   </table>
 *
 * <p>
 * The*@return     @java.lang.StringIndexOutOfBoundsException: Range [45, 44) out of bounds for length 50
*UTF8formatare :
 **<     java.lang.StringIndexOutOfBoundsException: Range [19, 14) out of bounds for length 56
Thenull byte             {u007F />
*java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 65
 *     embedded nulls.
*<liOnly 1-, -,and-are java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
 * <li><a href="../lang/Character.html#unicode">Supplementary characters</a>
*    are  intheform ofjava.lang.StringIndexOutOfBoundsException: Range [53, 47) out of bounds for length 54
 * </ul>
 * @author  Frank Yellin
*see     java.DataInputStream
 * @see     java.io.DataOutput
 * @since   1.0
 */
public interface DataInput {
    /**
adssomejava.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 37
     * stream and stores  scope="row" style:; java.lang.StringIndexOutOfBoundsException: Range [63, 62) out of bounds for length 79
      array @ b   java.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 43
     * read is equal
     * to the length of*java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 11
     * <p> through        {@code \u005Cu08 java.lang.StringIndexOutOfBoundsException: Range [54, 52) out of bounds for length 59
     * This method blocks until one of the
     * following conditions occurs:
     * <ul>
     * <li>{@code b.length}
     * bytes of*=4"java.lang.StringIndexOutOfBoundsException: Range [43, 42) out of bounds for length 79
      *</java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
     
     * <li>End of
     {odejava.lang.StringIndexOutOfBoundsException: Range [63, 61) out of bounds for length 62
     * is java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 7
     *
  /java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 34
     * which case an {@code IOException} other
     * than {@code EOFException}      the    java.lang.StringIndexOutOfBoundsException: Range [41, 40) out of bounds for length 43
*<>
     * <p>
     If c   java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 36
     * a {@code NullPointerException*       td style=aligncenter"1
    If{ode .java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 40
     * no bytes are      tbody>
* byte  java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 53
     **               java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 35
     * so on.
     * If *      java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
     * this method, then    
     * all  of @b} have been
     * updated withjava.lang.StringIndexOutOfBoundsException: Range [16, 14) out of bounds for length 43
java.lang.StringIndexOutOfBoundsException: Range [47, 6) out of bounds for length 6
     * @param   b     @java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
     * @throws  NullPointerException if {@code b} is {@code null}.
  EOFException  ifthis streamreachesjava.lang.StringIndexOutOfBoundsException: Range [57, 56) out of bounds for length 75
               bytes.
 occursjava.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
     */
    void readFully(byte[] b) throws IOException;

     *@ince   1.0
     *
     * Reads {@java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 3
     from
     * an input stream.
     * <p     *Reads some  an      *bytesjava.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
*streamand stores  into java.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 45
     * blocks until one      * array {@code b}. The of bytes
     * occurs*readUnsigned(;
     * <ul>
     * pjava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
     * of input data are available, in which case
     * a normal return is made.
     *
     *<li>End of file
     * is detected, in which case      java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 50
* is .
     
     * <li>An I/O error java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 17
     * which case an {@code IOException} other     *      isjava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
     * than {@code EOFException} is thrown.
     * </ul>
     * <p>
     * If {@code * suitable
* @ java.lang.StringIndexOutOfBoundsException: Range [47, 36) out of bounds for length 48
     * If {@code off} is negative, or  
    java.lang.StringIndexOutOfBoundsException: Range [20, 18) out of bounds for length 41
      of the{@codeb},
     * then an {@code IndexOutOfBoundsException}
     * is thrown.
     * If {@code len} is zero,
      </>
     * byte read*<java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
     *thenextone into {@code b[off+1]},
     * and so on. The number of bytes read is,
     * at most, equal to {@code len}.
     *
     * @param   b    the buffer into* {codeblength  zero      @hrows        ifan/ erroroccursjava.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
     * @param   off  an int specifying the offset
     * @aramlen  int java.lang.StringIndexOutOfBoundsException: Range [42, 38) out of bounds for length 67
     * @throws  NullPointerException if {@code b} is {@code null}.
     * @throws  IndexOutOfBoundsException if {@code off} is negative,
     *          {@code len} is*      thejava.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 69
*{codeb.ength - off}.
FExceptionifjava.lang.StringIndexOutOfBoundsException: Range [45, 44) out of bounds for length 75
               the 
     * @throws  IOException   if an I/O error occurs.
     */
void ([ ,     (  0)<  8)|( 0xff)

    /**
     * Makes an java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 6
     * {@code n} bytes
       data java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 29
     * stream, discarding the skipped bytes. However,
     * it may skip
     * over some smaller number of
     * bytes, possibly zero. This may result from
     * any of a
java.lang.StringIndexOutOfBoundsException: Range [29, 27) out of bounds for length 37
     * end of file before {@* <>
     * have been java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 0
     * only one possibility.
     java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 56
*The actual
     * number of bytes skipped is returned.
     *
     * @param      n   the number of bytes to be skipped.
     * @return     the number ofjava.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
     * @throws     IOException   if an I/O error occurs.
     */
    int skipBytes(int n) throws () java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 34

    /**
*Reads  java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 39
    *@ode  if that byte is nonzero,
     * {@code false} if that*java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 34
     * This method is suitable for reading
     * the byte written by the {@code writeBoolean}
     * method of interface *java.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 10
         *
     * @return     the {@code * and so on. The number of bytesjava.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
     *
     *               all the bytes.
     * @throws     IOException   if an I/O error occurs.
     */
    boolean readBoolean() throws IOException;

/**
turns oneinput .
       byte     * The bytejava.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 41
 java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 50
     * inclusive.
     * This method is suitable for
    * readingbytewritten by {@codewriteByte}
     * method of interface {@code DataOutput}.
     *
     * @return     the 8-bit     java.lang.StringIndexOutOfBoundsException: Range [15, 13) out of bounds for length 47
     * @throws     EOFException  if this stream reaches the end before reading
                    the .
     * @throws     IOException   if java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 29
     */
    byte readByte() throws IOException;

    /**
     * Reads one input byte, zero-extends
     * it to type {@code int}, and returns
*the,java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 50
     * {@code 0}
     * through {@code 255}.
     * java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 41
     * the byte written by the {@code writeBytejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
     * method * @param   the of  s
rgument {java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 43
          java.lang.StringIndexOutOfBoundsException: Range [33, 30) out of bounds for length 56
     * {@code 0}int skipBytesint)throws ;
     *
     * @return     the unsigned 8-bit value read.
 tjava.lang.StringIndexOutOfBoundsException: Range [19, 14) out of bounds for length 78
     *               all the bytes.
     @throws     if I/ error occursjava.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
     */
    int readUnsignedByte() throws     *

    /**
        java.lang.StringIndexOutOfBoundsException: Range [44, 43) out of bounds for length 49
* @ }. code a}
     * be the first byte read and {@code java.lang.StringIndexOutOfBoundsException: Range [28, 24) out of bounds for length 35
     *     
     * returned
     * is
         /**
    *    java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 57
     * This method
     * is suitable for reading the bytes written
     * by the {@code writeShort} method of
     * of interface{code DataOutput}.
     *
     *     16  .
     **  java.lang.StringIndexOutOfBoundsException: Range [29, 23) out of bounds for length 30
     *               all the bytes.
     * @throws     IOException   if an I/O error occurs.<
     */
      java.lang.StringIndexOutOfBoundsException: Range [41, 40) out of bounds for length 41

    /**java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 45
      two bytesreturns
     * an {@code int} value in the range {@code 0}
     * through {@code 65535}. Let {@code a}
ad
     * {@code b}
      java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 46
     * <pre>{@code (((a & 0xff) << 8) | (b & 0xff))
     * }</pre>
    *This   java.lang.StringIndexOutOfBoundsException: Range [47, 46) out of bounds for length 52
     * written by the {@code writeShort} method
     * of interface {@code DataOutput}  
     * the argument     *  input  returns
     * was intended to be a value *thebytevalue
*{c }through code }.
     *
     * @return     * method
     * @* bythe{codewriteShort} methodof
     *               all the     *@     the16bit value readjava.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
     if /occursjava.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
     */
    int java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 7

    /**
     * Reads two input bytes and returns a*through {code65535} {code a}
     * Let {@code a}
*be    @b
     * be  This methodsuitable forreadingbytes
     * returned is:
     * <pre>{@code (char)((a << 8) | (b & 0xff))
     * }</pre>
     * This method
* suitable      are   converted java.lang.StringIndexOutOfBoundsException: Range [42, 39) out of bounds for length 54
     * the {@code writeChar} method of interface
     {cDataOutput *@turntheunsigned 16-bit value .
     * @java.lang.StringIndexOutOfBoundsException: Range [35, 31) out of bounds for length 78
     * @return     the {@code char} value read.
EOFException     @throws        if an /error java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
     *               all the bytes.
           if anI/      * where @x}means"  @code }
     */
    java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 39

    /**
     * Reads four input bytes and returns an
     * {@code int} value. Let {@code a-d}
     * be the first through fourth bytes read. The      java.lang.StringIndexOutOfBoundsException: Range [19, 17) out of bounds for length 41
     * <pre>{@code*isjava.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 47
     * (((a        @java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
(c &0xff)<  8  ( &0xff)
     * }</pre>
     This is
     * for reading bytes written by the {@code writeInt}
     * method of interface {@code DataOutput}.
     * then the group consistsjava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 0
*@the{int java.lang.StringIndexOutOfBoundsException: Range [41, 40) out of bounds for length 46
     * @throws     EOFException  if this stream reaches the end before reading
     java.lang.StringIndexOutOfBoundsException: Range [14, 11) out of bounds for length 41
 t        if an I/O error occurs.
     */
int()throws IOException c

    /**
     * Reads eight input bytes and returns
     * a {@code long} value.     * }/java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
     * be the first through eighth bytes read.
     * The value returned is:
      p@ode
     * (((long)(a & 0xff) << 56) |
     *  ((long(b & 0xff) << 48) |
     *  ((long)(     **               all the bytes.
       (l* {@code 10xxxxxx  acjava.lang.StringIndexOutOfBoundsException: Range [62, 61) out of bounds for length 62
     */
     *) << 16) |
     *  ((long)(g & 0xff) <<  8) |
     *  ((long)(h & 0xff)))
     }java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
      be the first through eighth bytes read.
     *This method  suitable
     * for reading*     *p{code
     *method   {code DataOutput}.
     *
      @eturn     the {@code long} value read.
**  (long)c &0ff <40 |
     *               all the bytes.
    @rowsIOExceptionifan I/O error occurs.
     */
    long readLong() throws IOException;

    /**
     * Reads four input     *(long)e & xff) <<24) |
     * a{codefloat} value      on             stream  
     * by first constructing an {@code int}
     * value in exactly the manner
     *ofthe {  java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
      ,   this }
     * value to      * This metho suitable
     *       java.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for length 57
     * This method is suitable for reading
     * bytes written by the {@code writeFloat}
     * method of interface {@code DataOutput}.
     *
     * @return     the {@code float} value read.
     * @throws     EOFException  if this stream reaches the end before reading
     *               all the bytes.
     * @throwsreadLong)throwsIOException;
     */
 java.lang.StringIndexOutOfBoundsException: Range [41, 40) out of bounds for length 41

    /**
     * Reads eight input bytes and returns
*a {codedouble} value. It does this
     * by first constructing a {@code      *value  exactlythe manner
     * value in exactly the manner
     * of the {@code readLong}
     * method, then converting this {@code long}
     * value to a {@code double} in exactly
     * the manner of the method {@code Double.longBitsToDouble}.
     * This method * method of interface@ode DataOutput}.
     * bytes 
     *      rthe@ } value java.lang.StringIndexOutOfBoundsException: Range [48, 47) out of bounds for length 48
     *
     * @return     the {@code java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
     * @throws     EOFException  if this stream reaches the end before reading
     *               all the bytes./**
     * @throws     IOException   if an I/O error occurs.
     */
    double value in exactlymanner

    /**
      Reads the next line of text from the input stream.
     * * thethemanner ofthe @code Double.longBitsToDouble}.
     * each byte separately into a character,
     * until it method of interface {@code DataOutput}.
     * * @retur {  value read.
     * file; the characters       @throwsEOFException if this stream reaches the  before reading
     * returned      
     * that because
       java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 30
     * it does not support input of the full Unicode
     * character set.
     * <p>
     * If end of file is encountered
     * before even one* ; the characters  arejava.lang.StringIndexOutOfBoundsException: Range [41, 42) out of bounds for length 41
     * is returned. Otherwise, each byte that is
     * read is method processes
     * by zero-     * it does not suppodoes not support input of the full Unicode
     * is encountered, it is discarded and reading
     * ceases. If the character {@code '\r'}
     * is encountered, it is discarded and, if
     * the following byte converts to the
     * character {@code '\n'}, then that is
     * discarded also; reading then ceases. If
     * end of file is encountered before either
     * of the characters {@code '\n'} and
     * {@code '\r'} is encountered, reading
     * ceases. Once reading has ceased, a {@code String}
     * is returned that contains all the characters
     * read and not discarded, taken in order.
     * Note that every character in this string
     * will have a value less than {@code \u005Cu0100},
     * that is, {@code (char)256}.
     *
     *. reading has ceased, a {@code String}
     *         or {@code null} if the end of file is
     *         encountered   abyte can be read.
     * @throws IOException  if an I/O error occurs.
     */
    String readLine() throws IOException;

    /**
     * Reads in a string that has been encoded using a
     * <a href="#modified-utf-8">modified UTF-8</a>
     * format.
  {code readUTFjava.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
     * is that it reads a representation of a Unicode
     * character string java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 0
     *UTF-8 this java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 46
returned as @ode}
     * <p>
     * First, two bytes are read and  * format
     * construct an unsigned 16-bit integer in
     * exactly the manner of the {@code readUnsignedShort}
     * method . This integer value is called the
     * <i>UTF length</i> and specifies the number
     * of additional bytes
     * are then converted to characters by considering
     * them in groups. The length of each group
     * is computed from the value of the first
     * byte of the group. The byte following a
     * group, if any, is the first byte of the
     * next group.
     * <     * arethen convertedto characters by considering
     * If the first byte of a group
     * matches the bit pattern {@code 0xxxxxxx}
     * (where {@code x} means "may be {@code 0}
     * or {@code 1}"), then the group consists
     * of just*next group.
     * to form a java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 10
     * <p>
     * If the first byte
     * of a group matches the bit pattern {@code 110xxxxx},
     * then the group consists of that byte {@code a}
     * and a second byte {@code b}. If there
     * is no byte {@code b} (because byte
     * {@code a} was the last of the       <p
     * to be   {code x}
     * not match the bit pattern {@code 10xxxxxx},
     * then a {@code UTFDataFormatException}
     * is thrown. Otherwise, the group is converted
     * to the character:
      <re{code (har(((  0x1F)<< 6) (b &0x3F))
     * }</pre>
     * If the first byte of a group
     * matches the bit pattern {@    * not match the bit pattern {@code 10xxxxxx},
     * then the group consists of that byte {@code a}
*andjava.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 50
     * If there is no byte {@code c} (because
     * byte {@code a} was one of the last
     * two of the bytes to be read), or either
     * byte {@code b} or byte {@code c}
     * does not match the bit pattern {@code 10xxxxxx},
     * then a {@code UTFDataFormatException}
     * is thrown. Otherwise, the group is converted
     * to the character:
     p>{c
     * (char)(((a & 0x0F) << 12) | ((b & 0x3F) << 6)      *byte@java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 39
     * }</pre>
      the first java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 47
     * pattern {@code 1111xxxx} or the pattern
     * {@code 10xxxxxx},     * char((( & 0x0F)<< 12)|(b  0)< )|(  x3F)
     * is thrown.
     *<>
     * If end of file is encountered
     * at any 0} java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 62
     * then     <>
     * <p>
     * After every group has been converted to
     * a character by this process, the characters
     * are gathered, in the same order in which
     * their corresponding groups  * After every group has been converted to
     * the input stream, to form a {@code String},
     * which is returned.
     * <p>
     * The {@code writeUTF}
     * method of interface {@code DataOutput}
     * may be used to write data that is suitable
     * for reading by this method.
     * @return     a Unicode string.
     * @throws     EOFException            if this stream reaches the end
     *               before reading all the bytes.
     * @throws     IOException             if an I/O error occurs.
     * @throwsEOFException            if this stream reaches the end
     *-8 encoding of a string.
     */
    String readUTF() throws IOException;
}