SCJP Questions And Answers

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- 66 - QUESTION NO 127
Which two declarations prevent the overriding of a method? (Choose Two)
A. Final void methoda() {} B. Void final methoda() {} C. Static void methoda() {} D. Static final void methoda() {} E. Final abstract void methoda() {}

Answer: A, D

QUESTION NO 128
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.printIn(foo. i);
9. }
10. }
What is the result?
A. Compilation will fail.
B. Compilation will succeed and the program will print "3"
C. Compilation will succeed but the program will throw a ClassCastException at line 6.
D. Compilation will succeed but the program will throw a ClassCastException at line 7.

Answer: B

QUESTION NO 129
Which two create an instance of an array? (Choose Two)
A. int[] ia = new int [15]; B. float fa = new float [20]; C. char[] ca = "Some String"; D. Object oa = new float[20];