import java.io.*;public class filesinputoutput {public static void main(String[] args) {String obj = "abc";byte b[] = obj.getBytes();ByteArrayInputStream obj1 = new ByteArrayInputStream(b);for (int i = 0; i < 2; ++ i) {int c;while((c = obj1.read()) != -1) {if(i == 0) {System.out.print(Character.toUpperCase((char)c));obj2.write(1);}}System.out.print(obj2);}}}