Chapter 4: substring() and indexOf() methods Channel: J David Eisenberg21K views • 14/05/2020Related VideosInput a String - indexOf, substring and charAt methods of String class #9Java String Access Methods - length charAt substring indexOf - Java Programming Tutorial - AppficialHow to find the index position of a substring or character in a String with lastIndexOf() methodString Methods (indexOf, lastIndexOf, substring, replace, length) | Java Tutorials For Beginners