Java StringBuffer insert(int offset, String str) Method in Action | Java Tutorial Channel: Ram N Java515 views • 02/05/2016Related VideosJava StringBuffer replace(int start, int end,String str) method Explained | Java TutorialUnderstanding Java StringBuilder's insert(int offset, String str) Method | Java TutorialJava StringBuffer append(String str) Method: Explained with Examples | Java TutorialJava StringBuffer: lastIndexOf(String str) method explained | Java Tutorial