What is the difference between post-increment and pre-increment in programming? Provide examples.
Computer Science
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Answer
Post-increment (variable++) uses the variable's original value in the expression first, and then increments the variable. Pre-increment (++variable) increments the variable first, and then uses its new value in the expression.
Here are examples:
Post-increment (variable++)
int x = 5;
int y = x++; // y gets the original value of x (5), then x becomes 6
// After this code:
// x is 6
// y is 5
Pre-increment (++variable)
int a = 5;
int b = ++a; // a becomes 6 first, then b gets the new value of a (6)
// After this code:
// a is 6
// b is 6
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