Java xxxValue() Method

Java Number类Java Number Class


The xxxValue() method is used to convert a Number object to axxxvalue of the data type and return it.

Related methods are:

Type Method and Description
byte

byteValue() :

Returns the specified numeric value as a byte.

abstract double

doubleValue() :

Returns the specified numeric value as a double.

abstract float

floatValue() :

Returns the specified numeric value as a float.

abstract int

intValue() :

Returns the specified numeric value as an int.

abstract long

longValue() :

Returns the specified numeric value as a long.

short

shortValue() :

Returns the specified numeric value as a short.

Parameters

None of the above functions accept any parameters.

Return Value

Converted toxxxthe value represented by this object after the type conversion.

Example

Test.java file

public class Test{ public static void main(String args[]){ Integer x = 5; //Returns the byte primitive data type. System.out.println( x.byteValue() ); //Returns the double primitive data type. System.out.println(x.doubleValue()); //Returns the long primitive data type. System.out.println( x.longValue() ); } }

Compile the above program, the output result is:

5
5.0
5

Java Number类Java Number Class

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