Java OCA OCP Practice Question 226

Question

Given: 

1. class Main {
2.   public static void main(String[] args) {
3.     int[] x = {7,6,5,4,3,2,1};
4.     // insert code here
5.       System.out.print(y + " ");
6.     }
7.   }
8. }

Which, inserted independently at line 4, compiles? (Choose all that apply.)

  • A. for(int y : x) {
  • B. for(x : int y) {
  • C. int y = 0; for(y : x) {
  • D. for(int y=0, z=0; z<x.length; z++) { y = x[z];
  • E. for(int y=0, int z=0; z<x.length; z++) { y = x[z];
  • F. int y = 0; for(int z=0; z<x.length; z++) { y = x[z];


A, D, and F are correct.

Note

A is an example of the enhanced for loop.

D and F are examples of the basic for loop.

B, C, and E are incorrect.

B is incorrect because its operands are swapped.

C is incorrect because the enhanced for must declare its first operand.

E is incorrect syntax to declare two variables in a for statement.




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