You might know that Java passes by value, but it helps to understand why. Here's what happens when you pass mutable and immutable object references in Java.

Reference variables doesn't hold the object itself, but it holds something like a pointer. Or an address. Except, In Java we don't really know what is inside a reference variable. We do know whatever ...

Learn what a variable is, how to declare it, what types of variables exist, and what scope and modifiers mean in Java, one of the most popular programming languages.

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 ...

String s1 = new String("Hello world!"); That code will create an s1 string object and a reference variable. As noted, Java strings are immutable. Once created, a string using string class cannot be ...

Distributed applications provide numerous advantages related to software performance, reliability, interoperability, and extensibility. This paper focuses on distributed Java programs built with the ...