JAVA EXAMPLE PROGRAMS

JAVA EXAMPLE PROGRAMS


Program: How to convert byte array to inputstream?


Description:

Below example shows how to convert byte array to Input Stream. Create ByteArrayInputStream object by passing byte array to its constructor.


Code:
package com.java2novice.files;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;

public class ByteArrToInputStream {

	public static void main(String a[]){
		
		String str = "converting to input stream";
		byte[] content = str.getBytes();
		int size = content.length;
		InputStream is = null;
		byte[] b = new byte[size];
		try {
			is = new ByteArrayInputStream(content);
			is.read(b);
			System.out.println("Data Recovered: "+new String(b));
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			try{
				if(is != null) is.close();
			} catch (Exception ex){
				
			}
		}
		
	}
}

Output:
Data Recovered: converting to input stream
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Knowledge Center
Can interface be final?
No. We can not instantiate interfaces, so in order to make interfaces useful we must create subclasses. The final keyword makes a class unable to be extended.

About Author

My name is 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 at java2novice@gmail.com or you can comment on the page.

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Reference: Java™ Platform Standard Ed. 6 - API Specification | Java is registered trademark of Oracle.
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