public class SearchString{ public static void main(String[] args) { String strOrig = "Hello world Hello World"; int intIndex = strOrig.indexOf("Hello") if(intIndex == - 1){ System.out.println("Hello not found"); }else{ System.out.println("Found Hello at index " + intIndex); } int positionIndex = strOrig.indexOf("Hello",11); System.out.println("Index of Hello after 11 is " + positionIndex); int lastIndex = strOrig.lastIndexOf("Hello"); System.out.println("Last occurrence of Hello is at index " + lastIndex); } }