1: // TestString.java 2: // Tests for the existence of command-line parameters. 4: public class TestString 5: { 6: public static void main(String[] args) 7: { 8: String s = "Hello "; 9: AddToIt(s); 10: System.out.println(s); 11: } 13: static void AddToIt(String s) 14: { 15: s += "there!"; 16: System.out.println(s); 17: } 18: }