JAVA Interview QuestionsQ> what is JDK , JRE and JVM(VM ware,IBM, HCL)Ans:-Q> What is wrapper class and why do we need them or where do we use it (VM Ware,symphony telca)Ans:-Java is an object-oriented language and can view everything as an object. A simple file can be treated as an object , an address of a system can be seen as an object , an image can be treated as an object (with java.awt.Image) and a simple data type can be converted...
