Perform String Methods.

//Java program to Perform String Methods.

class strmethod{

    public static void main(String args[])

    {

      String s1=new String("Welcome");

      int m;

      m=s1.length();

      System.out.println("Number of characters in s1 = "   +m);

      String s2=new String("BYE");

      System.out.println("Number of Characters in s2 = "   +s2.length());

      System.out.println("s1 String into Uppercase   : "   +s1.toUpperCase());

      System.out.println("s2 String into Lowercase   : "   +s2.toLowerCase());

      System.out.println("s1 concatinate into s2     : "   +s1.concat(s2));

      System.out.println("s1 character at            : "   +s1.charAt(2));

      System.out.println("s1 substring               : "   +s1.substring(2));

      System.out.println("s1 substring given position: "   +s1.substring(2,4));

     if(s1.compareTo(s2)==0)

      System.out.println("s1 is equal to s2");

     else if(s1.compareTo(s2)>0)

      System.out.println("s1 is greater than s2");

     else

      System.out.println("s1 is smalerthan s2");

     if(s1.equals(s2))

     System.out.println("s1 And s2 are equal");

     if(s1.equalsIgnoreCase(s2))

     System.out.println("Both s1 and s2 are Equals Ignore Case");

    }

   }