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() .

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.