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

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){
				
			}
		}
	}
}