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/* Write byte to a file using DataOutputStream This Java example shows how to write a Java byte primitive value to a file using writeByte method of Java DataOutputStream class. */ import java.io.DataOutputStream; import java.io.FileOutputStream; import java.io.IOException; public class WriteByteToFile { public static void main(String[] args) { String strFilePath = "C://FileIO//WriteByte.txt"; try { //create FileOutputStream object FileOutputStream fos = new FileOutputStream(strFilePath); /* * To create DataOutputStream object from FileOutputStream use, * DataOutputStream(OutputStream os) constructor. * */ DataOutputStream dos = new DataOutputStream(fos); int i = 1; /* * To write a byte value to a file, use * void writeByte(int i) method of Java DataOutputStream class. * * This method writes specified byte to output stream as a 1 byte. */ dos.writeByte(i); /* * To close DataOutputStream use, * void close() method. * */ dos.close(); } catch (IOException e) { System.out.println("IOException : " + e); } } } |
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