so 4. Find the volume of a sphere of radius 2. Remember that v = (4 / 3) PI * (r^ 3) (6 marks) 5. Draw the memory map and the Java compiler table for the following declarations. int i0 = Ox12345678; int il: short 0x3344; byte bo; byte bl 0x44; short sl; (8 marks) 6. Draw the memory map and the Java compiler table for the following code. String st0 = "abcd"; // In ASCII 'a' = 0x61 int il: short so Oxl122; int io = Oxl1223344; byte bo Ox33; byte bl; short sl Ox6655; (12 marks) =