int index = 1; String [] test = new String[3]; String foo = test[index]; What is the result?()
A. Foo has the value “” B. Foo has the value null C. An exception is thrown D. The code will not compile
public class Test { public static void main (String[]args) { String foo = args[1]; String bar = args[2]; String baz = args[3]; System.out.printIn(“baz = ” + baz); } } And the output: Baz = 2 Which command line invocation will produce the output?()
A. Java Test 2222 B. Java Test 1 2 3 4 C. Java Test 4 2 4 2 D. Java Test 4 3 2 1
1. package foo; 2. 3. import java.util.Vector; 4. 5. private class MyVector extends Vector { 6. int i = 1; 7. public MyVector() { 8. i = 2; 9. } 10. } 11. 12. public class MyNewVector extends MyVector { 13. public MyNewVector () { 14. i = 4; 15. } 16. public static void main (String args []) { 17. MyVector v = new MyNewVector(); 18. } 19. } The file MyNewVector.java is shown in the exhibit. What is the result?()
A. Compilation will succeed. B. Compilation will fail at line 5. C. Compilation will fail at line 6. D. Compilation will fail at line 14. E. Compilation will fail at line 17.