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Java How To Swap Two Variables

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Swap Two Variables

Exchange the values of two variables using a temporary variable:

Example

int a = 5;
int b = 10;

int temp = a;
a = b;
b = temp;

System.out.println("a = " + a + ", b = " + b);

Try it Yourself »

Explanation: We save a in a temporary variable, move b into a, and then move the saved value into b.


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