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Program: How to create Boolean wrapper object?


You can create Boolean wrapper class object by passing either boolean primitive value or boolean value as a string to the Boolean constructor.

package com.java2novice.wrapper.booleanexp;

public class MyBasicBoolean {

	public static void main(String a[]){
		//create Boolean using boolean primitive type
		boolean b1 = true;
		Boolean bObj1 = new Boolean(b1);
		System.out.println("Wrapper class Boolean output: "+bObj1);
		//create Boolean using string value
		Boolean bObj2 = new Boolean("false");
		System.out.println("Wrapper class Boolean output: "+bObj2);
		//how to get primitive boolean value from wrapper class

Wrapper class Boolean output: true
Wrapper class Boolean output: false
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List of Boolean wrapper class programs:

  1. How to create Boolean wrapper object?
  2. How to convert string to boolean value?
  3. Primitive boolean constants.
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Difference between super() and this()
super() is used to call super class constructor, whereas this() used to call constructors in the same class, means to call parameterized constructors.
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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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