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Write about basic java preparing for job interviews.
1. What is Object-Oriented Programming Object-Oriented Programming (OOP) is a programming paradigm that focuses on organizing code around objects rather than functions. An object combines: data (fiel
1. Why StringBuilder and StringBuffer Exist In Java, String objects are immutable. Every time a string is modified, a new object is created. For more details, check out my previous post here. Each con
1. Why Garbage Collection Exists In many programming languages, developers must manually free memory when objects are no longer needed. If memory is not properly released, the program may suffer from
Why StringBuilder Exists in Java
Why "apple" == "apple" is true in Java?
1. What is Java Serialization Java Serialization is a mechanism that converts an object into a byte stream so that it can be: saved to a file transmitted over a network cached or persisted transfe
