How to deep clone an object in Java. The clone method from the parent object needs to clone each child object separately and added to the cloned parent object.

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How to clone an object in Java. This method works only when the object cloned has only simple variable.

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How to generate random numbers in a range using Java. A simple method using SecureRandom, class.

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How to generate a random password in Java. The algorithm uses a dictionary.

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How to create a Java project with Maven. Simple steps to generate the project, import in Eclipse and run the application.

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Java 8 Streams filter examples. Simple examples comparing the classic approach pre-Java 8 and using the new Java 8 functionalities.

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