For a variable of reference type, a reference is stored in the variable and the object referred to by the reference is stored elsewhere. Variables that store references are often called reference ...

Object Reference-Type Variables: memory address It is important to realize that when we pass object references into a function, then any modifications we make to that object will be persisted to the ...

In this respect, the rules of local and global variable scope don't affect objects, in the same way they have applied to the primitive data-types we've been using. Variables used to refer to objects ...

Here's everything you need to know about Java operators and operator types, and how to use them to write expressions for your Java programs.