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  • INTERVIEW QUESTIONS CERTIFICATIONS SUN CERTIFIED JAVA DEVELOPER DETAILS
    Question :
    Given:
    1. public class Blip {
    2. protected int blipvert(int x) { return 0; }
    3. }
    4. class Vert extends Blip {
    5. // insert code here
    6. }
    Which five methods, inserted independently at line 5, will compile? (Choose five.)
    A. public int blipvert(int x) { return 0; }
    B. private int blipvert(int x) { return 0; }
    C. private int blipvert(long x) { return 0; }
    D. protected long blipvert(int x) { return 0; }
    E. protected int blipvert(long x) { return 0; }
    F. protected long blipvert(long x) { return 0; }
    G. protected long blipvert(int x, int y) { return 0; }


    Category Sun Certified Java Developer Interview Questions
    Rating (0.4) By 1722 users
    Added on 7/20/2010
    Views 1490
    Rate it!
    Answers:

    A:public int blipvert(int x) { return 0; }
    C:private int blipvert(long x) { return 0; }
    E:protected int blipvert(long x) { return 0; }
    F:protected long blipvert(long x) { return 0; }
    G:protected long blipvert(int x, int y) { return 0; }



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    Related Questions
    View Answer
    Given:
    11. public static void parse(String str) {
    12. try {
    13. float f = Float.parseFloat(str);
    14. } catch (NumberFormatException nfe) {
    15. f = 0;
    16. } finally {
    17. System.out.println(f);
    18. }
    19. }
    20. public static void main(String[] args) {
    21. parse("invalid");
    22. }
    What is the result?
    A. 0.0
    B. Compilation fails.
    C. A ParseException is thrown by the parse method at runtime.
    D. A NumberFormatException is thrown by the parse method at runtime.

    View Answer
    Given:
    1. interface TestA { String toString(); }
    2. public class Test {
    3. public static void main(String[] args) {
    4. System.out.println(new TestA() {
    5. public String toString() { return "test"; }
    6. });
    7. }
    8. }
    What is the result?
    A. test
    B. null
    C. An exception is thrown at runtime.
    D. Compilation fails because of an error in line 1.
    E. Compilation fails because of an error in line 4.
    F. Compilation fails because of an error in line 5.

    View Answer
    Given:
    5. class Atom {
    6. Atom() { System.out.print("atom "); }
    7. }
    8. class Rock extends Atom {
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    10. }
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    14. new Rock("granite ");
    15. }
    16. public static void main(String[] a) { new Mountain(); }
    17. }
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    E. An exception is thrown at runtime.
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    View Answer
    Given:
    11. class Mud {
    12. // insert code here
    13. System.out.println("hi");
    14. }
    15. }
    And the following five fragments:
    public static void main(String...a) {
    public static void main(String.* a) {
    public static void main(String... a) {
    public static void main(String[]... a) {
    public static void main(String...[] a) {
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    B. 1
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    View Answer
    Given:
    11. public class Rainbow {
    12. public enum MyColor {
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    14. private final int rgb;
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    16. public int getRGB() { return rgb; }
    17. };
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    20. }
    21. }
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    View Answer
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    11. public enum Direction { NORTH, SOUTH, EAST, WEST }
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    13. public class Sprite{
    14. // insert code here
    15. }
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    View Answer
    Given:
    11. public class Barn {
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    14. new Barn().go("hi", "world", 2);
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    E. An exception is thrown at runtime.

    View Answer
    Given:
    11. public abstract class Shape {
    12. private int x;
    13. private int y;
    14. public abstract void draw();
    15. public void setAnchor(int x, int y) {
    16. this.x = x;
    17. this.y = y;
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    19. }
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    B. public abstract class Circle extends Shape {
    private int radius;
    }
    C. public class Circle extends Shape {
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    }
    D. public abstract class Circle implements Shape { private int radius;
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    View Answer
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    8. System.out.print("foo");
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    View Answer
    Given:
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    View Answer
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    13. }
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    E. A call to notify() or notifyAll() from another thread might cause this method to complete normally.
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    View Answer
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