Classes and objects in Java must be initialized before they are used. You’ve previously learned that class fields are initialized to default values when classes are loaded, and that objects are ...

In Classes and objects in Java, you learned how to declare static fields and static methods as members of a class, and in Class and object initialization in Java, you learned how to declare static ...

Objects in Java are always handled by reference, and so, for example: Local variables that refer to objects contain pointers from the stack frame of the Java method into the Java heap.