// Test some of the String methods.

public class TestString
{
    public static void main(String[ ] argv)
    {
        // Test constructors.
        String a = "mississippi";
        String b = new String("louisiana");

        // Create String c from char array.
        char[ ] chars = {'m', 'a', 'i', 'n', 'e'};
        String c = new String(chars);

        // Create String d using copy constructor.
        String d = new String(b);
   
        // Create String e from a StringBuffer object. 
        StringBuffer sb = new StringBuffer("illinois");
        String e = new String(sb);

        // Test some String nonstatic methods.
        System.out.println(a.indexOf("iss"));
        System.out.println(a.lastIndexOf("iss"));
        System.out.println(b.length( ));
        System.out.println(a.replace("i", "*"));
        System.out.println(e.substring(3));
        System.out.println(e.substring(2, 5));
        System.out.println(a.toString( ));
        System.out.println(c.toUpperCase( ));
        System.out.println(c.toLowerCase( ));

        // Test some String static methods.
        System.out.println(String.valueOf(3.14));
        System.out.println(String.valueOf(5));
    }
}

// Output:
1
4
9
m*ss*ss*pp*
inois
lin
mississippi
MAINE
maine
3.14
5