Search Sub String

String str = "java search string"; int firstIndex = str.indexOf("java"); System.out.println("First occurrence of char "+ " is found at : " + firstIndex); int lastIndex = str.lastIndexOf("java"); System.out.println("Last occurrence of char java is"+ " found at : " + lastIndex); int first_in = str.indexOf("java", 10); System.out.println("First occurrence of char java"+ " after index 10 : " + first_in); int last_in = str.lastIndexOf("java", 20); System.out.println("Last occurrence of char java " + "after index 20 is : " + last_in); } }