public class methodsOfString{
	public static void main(String args[]){
		String  str="I like Java Programming!";
		int i1=str.indexOf('J');
		String s1=str.substring(i1);
		String s2=str.substring(i1,i1+4);
		int i2=str.lastIndexOf('J');
		String s3=str.substring(i2+5);
		System.out.println("s1="+s1);
		System.out.println("s2="+s2);
		System.out.println("s3="+s3);
	}
}