Summary
Java is always pass by value and not pass by reference, as proven with a simple example.
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There are a few ways to achieve pass by reference, such as passing an object of a class and updating the public member variable of that object.
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Pass-by-value means that the actual value of the variable is passed and pass-by-reference means the memory location is passed where the value of the variable is stored.
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According to
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Summary
Java is always Pass by Value and not pass by reference, we can prove it with a simple example.
Let’s say we have a class Balloon like below.
And we have a simple program with a generic method to swap two objects, the class looks like below.
Java is Pass by Value and Not Pass by Reference - JournalDev
journaldev.com
Summary
Java is always a pass by value ; but, there are a few ways to achieve pass by reference :
In this method, an object of a class passes in the function and updates the public member variable of that object; changes are visible in the original memory address.
Run
This is a simple method
How to pass by reference in Java
educative.io
But Java uses only call by value. It creates a copy of references and pass them as value to the methods. If reference contains objects, then the value of an ...
Pass by reference vs Pass by Value in java
tutorialspoint.com
