- Create a file
DupString.java
with the following modified copy of the HelloWorld
program:
public class DupString {
public static void main(String[] args) {
String st0 = args[0]; // the 1st parameter on the commandline
String st1 = args[1]; // the 2nd ...
String st2 = st0 + st1;
st2 = st2 + st2 + st2 + st2;
System.out.println(st2);
} // main
} // DupString
- Compile the program to be sure that you entered it with the correct syntax.
- Before running the program, tell what you would expect as output from the following command:
java DupString Hello World