The Java serialization tutorial In this Java serialization example, we will use both the ObjectOutputStream and the ObjectInputStream to save and retrieve the state of a simple JavaBean. The POJO will ...

Most Java developers who come from a C/C++ background have probably at one time wished for a Java equivalent of sizeof() .

A Java string is a sequence of characters that exists as an object of the class java.lang. Java strings are created and manipulated through the string class. Once created, a string is immutable -- its ...

This is an in-depth java tutorial for beginners. Learn what Java is, how to get started, and how to build basic apps using key concepts!

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.