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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  6. How to read file content line by line in java?
  7. How to read property file in static context?
  8. How to read input from console in java?
  9. How to get file list from a folder filtered by extensions?
  10. How to get file URI reference?
  11. How to store and read objects from a file?
  12. How to create and store property file dynamically?
  13. How to store property file as xml file?
  14. How to get file last modified time?
  15. How to convert byte array to inputstream?
  16. How to convert inputstream to reader or BufferedReader?
  17. How to convert byte array to reader or BufferedReader?
  18. How to set file permissions in java?
  19. How to read a file using BufferedInputStream?
  20. How to create temporary file in java?
  21. How to write or store data into temporary file in java?
  22. How to delete temporary file in java?
  23. How to write string content to a file in java?
  24. How to write byte content to a file in java?
Knowledge Centre
Difference between Enumeration and Iterator
The functionality of Enumeration and the Iterator are same. You can get remove() from Iterator to remove an element, while while Enumeration does not have remove() method. Using Enumeration you can only traverse and fetch the objects, where as using Iterator we can also add and remove the objects. So Iterator can be useful if you want to manipulate the list and Enumeration is for read-only access.
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Reference: Java™ Platform Standard Ed. 7 - API Specification | Java is registered trademark of Oracle.
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