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Pretty Computer Chips
Image by Jonas Svidras at https://stocksnap.io/photo/intel-8008-LBYK1XTHFC.

Passing a variable by value vs. reference

In programming, a concept that usually creates a lot of confusion among those new to it is the concept of passing a variable by value, versus passing a variable by reference. The 2 examples below illustrate the difference between these two ways variables can be passed in Java:

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