Diff (cont.)

• • String line1,line2;
  • line1= file1In.readLine();
  • line2= file2In.readLine();

• while( (line1!= null) && (line2!= null) ){

• //compare the 2 lines.

• if(! line1.equals(line2) ){

• • output.append("line no. " + file1In.getLineNumber()
  • + " :\n");
  • output.append(args[0] +" "+ line1 + "\n");
  • output.append(args[1] +" "+ line2 + "\n");
  • noDiff= false;

• }

• line1= file1In.readLine();

• line2= file2In.readLine();

• }