Question 1
Assume that a = "1", b = "2", y = 3 and z = 4. How do the following two statements differ?
System.out.println(a + b + y + z);
System.out.println(y + z + a + b);
Question 2
Explain, in words, what the following statement computes:
int z = (int) Math.ceil(Math.sqrt(x) / Math.sqrt(y));