Top "Post-conditions" questions

Pre-condition vs Post-condition in java?

For example I have the following code: public class Calc(){ final int PI = 3.14; //is this an invariant? private int calc(…

java preconditions post-conditions
What are preconditions and postconditions?

I'm learning how to program but one thing I can't quite get my head around is preconditions and postconditions. Is …

programming-languages design-by-contract preconditions post-conditions