This has caused many fans to question just how much they get to star on Teen Mom. Check out how much the stars of Teen Mom and Teen Mom 2 are worth according to Celebrity Net Worth. Estimated Net Worth: $30 Thousand. Teen Mom 2 star Jenelle Evans is unfortunately famous for not doing well as a teen mom at all.
The keyword static indicates that the method is a class method, which can be called without the requirement to instantiate an object of the class. This is used by the Java interpreter to launch the program by invoking the main method of the class identified in the command to start the program. void.
Via polymorphism, any subclass of Object can be substituted for Object. Since Object is the common root class of all the Java's classes, a collection designed to hold Object can hold any Java classes. There is, however, one problem. Suppose, for example, you wish to define an ArrayList of String. In the add(Object) operation, the String will be upcasted implicitly into Object by the compiler. During retrieval, however, it is the programmer's responsibility to downcast the Object back to an String explicitly.