Using String Example
public class StringExample {
public static void main(String[] argv) {
String str = new String("my name is Thanassis");
System.out.println("The string contains:" + str );
System.out.println("its length is :" + str.length() + " characters");
System.out.println("uppercase :" + str.toUpperCase());
System.out.println("lowercase :" + str.toLowerCase());
System.out.println("-is- starts at :" + str.indexOf("is") );
if (!str.equals("my name is Thanasis")) System.out.println("not true");
The string contains:my name is Thanassis
its length is :20 characters
uppercase :MY NAME IS THANASSIS
lowercase :my name is thanassis