JAVA EXAMPLE PROGRAMS

JAVA EXAMPLE PROGRAMS

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Program: How to write byte content to a file in java?


Below example shows how write byte content to a local file. When you are dealing with bytes, you need to use Stream.


package com.java2novice.files;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;

public class ByteWriteToFile {

	public static void main(String[] args) {
		
		OutputStream opStream = null;
		try {
 			String strContent = "This example shows how to write byte content to a file";
 			byte[] byteContent = strContent.getBytes();
 			File myFile = new File("C:/MyTestFile.txt");
 			// check if file exist, otherwise create the file before writing
			if (!myFile.exists()) {
				myFile.createNewFile();
			}
			opStream = new FileOutputStream(myFile);
			opStream.write(byteContent);
			opStream.flush();
 		} catch (IOException e) {
			e.printStackTrace();
		} finally{
			try{
				if(opStream != null) opStream.close();
			} catch(Exception ex){
				
			}
		}
	}
}
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Knowledge Centre
What is fail-fast in java?
A fail-fast system is nothing but immediately report any failure that is likely to lead to failure. When a problem occurs, a fail-fast system fails immediately. In Java, we can find this behavior with iterators. Incase, you have called iterator on a collection object, and another thread tries to modify the collection object, then concurrent modification exception will be thrown. This is called fail-fast.
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The pessimist complains about the wind; the optimist expects it to change; the realist adjusts the sails.
-- William Arthur Ward

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