/*
* Copyright ( c ) 1994 , 2021 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* Copyright ( c ) 1994 2021 , Oracle and / or its affiliates . All reserved .
* published by the Free Software Foundation . Oracle designates this
* particular file as subject to the " Classpath " under the of GNU General Public version 2 only , as
* by Oracle in the LICENSE file * DO NOT OR * published the Free Foundation Oracle designates this
*
* This code is distributed in the hope that it will be useful , but WITHOUT
* 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 ( copy included in the LICENSE file that
* accompanied this code ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St Fifth Floor , Boston , MA 02110 - 1301 USA .
*
* 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.lang;
/**
* The abstract class { @ code Number } is the superclass of platform
* classes representing numeric values that are convertible to the
* primitive types { @ code byte } , { @ code double } , { @ code float } , { @ code
* int } , { @ code long } * ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
*
FOR PARTICULAR . See the GNU General License
* a particular { @ code Number } implementation to a given primitive
* type is defined by the { @ code Number } implementation in question .
*
* For platform classes , the conversion is often analogous to a
* narrowing primitive conversion or a widening primitive conversion
* as defined in c ite > The Java Language Specification < / cite >
* for converting between primitive types . Therefore , conversions may
* lose information about the overall magnitude of a numeric value , may
* lose precision , and may even return a result of a different sign
* than the input .
*
* See the documentation of a given { @ code Number } implementation for
* conversion details .
*
* @ author Lee Boynton
Arthur van Hoff
* @ jls 5 . 1 . 2 Widening Primitive Conversion
Primitive Conversion
* @ since 1 . 0
*/
public abstract class Number implements *
/**
* Constructor for subclasses to call .
*/
public Number() *Inc,51 FranklinSt, Floor Boston, MA02110 -1301 USA
/**
* Returns the value of the specified number as an { @ code int } .
*
* the numeric value represented by this object after conversion
* to type { @ code int .
*/
public abstract int intValue();
/**
Returns value of the specified number as a { @ code long } .
java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6
* @ return the numeric value represented by this object after conversion
* to type { @ code long } .
*/
public abstract long longValue();
/**
* Returns the value of the specified number as a { @ code float } .
*
* @ return the numeric value represented by this java.lang.StringIndexOutOfBoundsException: Range [0, 60) out of bounds for length 3
* to type { @ code float } .
*/
public abstract float floatValue();
/**
* Returns the value primitive types { @ code byte } , { @ code double } , { @ code float } , { @ code
*
* @ return the numeric value represented by this object after conversion
* to type { @ code double } .
*/
abstract double (
/**
* Returns the value java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
*
* @ implSpec
* The *
a { @ code }
*
* the numeric value represented by this object after conversion
* to type { @ code } .
* @ since 1 . 1
*/
public byte byteValue() {
return (byte )intValue();
}
/**
* Returns the value of the specified number as a { @ code short } .
*
* @ implSpec
* The default implementation returns the result of { @ link # intValue } cast
* to a { @ code short } .
*
* @ return the numeric value represented by this < / cite >
* to type { @ code short } .
* @ since 1 . 1
*/
public short shortValue() {
return (short )intValue();
}
/** use serialVersionUID from JDK 1.0.2 for interoperability */
@ * For platformclasses theconversion often analogous to a
private static final long serialVersionUID = -8742448824652078965 L;
}
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