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Program: How to convert Integer to primitive types?


Here example program gives methods to convert Integer object to primitive types like int, float, double, long, short.

package com.java2novice.wrapper.integer;

public class MyIngegerByteValue {

	public static void main(String a[]){
		Integer itr = new Integer(10);
		System.out.println("byte value: "+itr.byteValue());
		System.out.println("double value: "+itr.doubleValue());
		System.out.println("float value: "+itr.floatValue());
		System.out.println("int value: "+itr.intValue());
		System.out.println("long value: "+itr.longValue());
		System.out.println("short value: "+itr.shortValue());

byte value: 10
double value: 10.0
float value: 10.0
int value: 10
long value: 10
short value: 10
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Transient variables cannot be serialized. During serialization process, transient variable states will not be serialized. State of the value will be always defaulted after deserialization.
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About Author

I'm Nataraja Gootooru, programmer by profession and passionate about technologies. All examples given here are as simple as possible to help beginners. The source code is compiled and tested in my dev environment.

If you come across any mistakes or bugs, please email me to [email protected].

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Reference: Java™ Platform Standard Ed. 7 - API Specification | Java™ Platform Standard Ed. 8 - API Specification | Java is registered trademark of Oracle.
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