310-035
QUESTION 1:
Given:
1. public class Test {
2. public static void main(String args[]) {
3. class Foo {
4. public int i = 3;
5. }
6. Object o = (Object)new Foo();
7. Foo foo = (Foo)o;
8. System.out.println("i = " + foo.i);
9. }
10. }
What is the result?
A. i = 3
B. Compilation fails.
C. A ClassCastException is thrown at line 6. D. A
ClassCastException is thrown at line 7.
Answer: A
QUESTION 2:
Which two cause a compiler error? (Choose two) A. float[] = new
float(3);
B. float f2[] = new float[];
C. float[] f1 = new float[3]; D. float
f3[] = new float[3];
E. float f5[] = { 1.0f, 2.0f, 2.0f };
F. float f4[] = new float[] { 1.0f. 2.0f. 3.0f};
Answer: A, B
The F. statement is incorrect. The float numbers should be separated with commas and not dots.
QUESTION 3:
Given:
11. int i =1,j =10;
12. do {
13. if(i++> --j) {
14. continue;
15. }
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