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Read byte from file using DataInputStream

import java.io.DataInputStream; import java.io.FileInputStream; public class Main {   public static void main(String[] args) throws Exception {     FileInputStream fin = new FileInputStream("C:/Byte.txt");     DataInputStream din = new DataInputStream(fin);     byte b = din.readByte();     System.out.println("byte : " + b);     din.close();   } }