Java•Java How To's

Java How To Swap Two Variables

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);

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

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Java•Java How To's

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);

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