Cat.java

/*************************************************************************
 *  Compilation:  javac Cat.java
 *  Execution:    java Cat file1.txt file2.txt
 *  Dependencies: In.java
 *
 *  Reads in text files file1.txt and file2.txt, concatenates them,
 *  and prints the result to standard output.
 *
 *************************************************************************/

public class Cat { 

    public static void main(String[] args) { 
        In in0 = new In(args[0]);
        In in1 = new In(args[1]);
        String s0 = in0.readAll();
        String s1 = in1.readAll();
        System.out.println(s0);
        System.out.println(s1);
    }

}