Write UTF String, integer and double with DataOutputStream : FileOutputStream « File « Java Tutorial

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Java Tutorial » File » FileOutputStream

11. 12. 14. Write UTF String, integer and double with DataOutputStream


import java.io.BufferedOutputStream;

import java.io.DataOutputStream;

import java.io.FileOutputStream;



public class Main {

  public static void main(String[] argv) throws Exception {

    FileOutputStream fileOut = new FileOutputStream("data.txt");

    BufferedOutputStream buffer = new BufferedOutputStream(fileOut);

    DataOutputStream dataOut = new DataOutputStream(buffer);

    dataOut.writeUTF("Hello!");

    dataOut.writeInt(4);

    dataOut.writeDouble(100.0);

    dataOut.close();

    buffer.close();

    fileOut.close();

  }

}

11. 12. FileOutputStream
	11. 12. 1.	FileOutputStream
	11. 12. 2.	Create a file output stream directly from the file name
	11. 12. 3.	Create DataOutputStream from FileOutputStream
	11. 12. 4.	Create FileOutputStream object from File object
	11. 12. 5.	Create FileOutputStream object from String file path
	11. 12. 6.	Use FileOutputStream to read integers
	11. 12. 7.	Use FileOutputStream to write the bytes to a file.
	11. 12. 8.	Get FileChannel from FileOutputStream
	11. 12. 9.	File IO
	11. 12. 10.	Write file using FileOutputStream
	11. 12. 11.	Write byte array to a file using FileOutputStream
	11. 12. 12.	Write double to a file using DataOutputStream
	11. 12. 13.	Append output to file using FileOutputStream
	11. 12. 14.	Write UTF String, integer and double with DataOutputStream
	11. 12. 15.	Copy a file with FileInputStream and FileOutputStream
	11. 12. 16.	Forcing Updates to a File to the Disk

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