JAVA EXAMPLE PROGRAMS

Program: How to convert integer to binary value?

Description:

By using Integer.toBinaryString() method, we can convert integer string to binary value.

Code:

package com.java2novice.wrapper.integer;

public class MyIntegerToBinary {

	public static void main(String a[]){
		Integer i = new Integer(20);
		String binary = Integer.toBinaryString(i);
		System.out.println("Binary value: "+binary);
	}
}

Output:

Binary value: 10100

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Can we call servlet destory() from service()?

As you know, destory() is part of servlet life cycle methods, it is used to kill the servlet instance. Servlet Engine is used to call destory(). In case, if you call destory method from service(), it just execute the code written in the destory(), but it wont kill the servlet instance. destroy() will be called before killing the servlet instance by servlet engine.

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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.