Do in Java please

Write a code (in Java) that receives two sets of integers A and B (of any size) and writes the following: 1. Their powersets P(A) and P(B), 2. Their Cartesian product A >>Enter elements of A: 1,2 >>Enter elements of B: 3,4 >>AX B-(1,3), (1,4), (2,3), (2,4) >>AU B 1,2,3,4