MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

public class MainClass {
    public static void main(String args[]) {
        String s1 = new String("hello");
        String s2 = new String("GOODBYE");
        String s3 = new String("   spaces   ");

        System.out.printf("s1 = %s\ns2 = %s\ns3 = %s\n\n", s1, s2, s3);

        // test toLowerCase and toUpperCase
        System.out.printf("s1.toUpperCase() = %s\n", s1.toUpperCase());
        System.out.printf("s2.toLowerCase() = %s\n\n", s2.toLowerCase());

    }
}