JAVA EXAMPLE PROGRAMS

JAVA EXAMPLE PROGRAMS

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Program: How to create int to Integer object?


Description:

The Integer class wraps a value of the primitive type int in an object.


Code:
package com.java2novice.wrapper.integer;

public class MyBasicInteger {

	public static void main(String a[]){
		int i = 10;
		Integer intg = new Integer(i);
		System.out.println(intg);
		String no = "223";
		Integer num = new Integer(no);
		System.out.println(num);
	}
}

Output:
10
223
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  11. How to convert octal value to integer value?
  12. How to convert string to integer using radix 27?
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Knowledge Centre
What is adapter class?
An adapter class provides the default implementation of all methods in an event listener interface. Adapter classes are very useful when you want to process only few of the events that are handled by a particular event listener interface. You can define a new class by extending one of the adapter classes and implement only those events relevant to you.
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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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