1Z0-819 Free Practice Test

Given:

Which three actions implement Java SE security guidelines? (Choose three.)

1. A. Change line 7 to return names.clone();.
2. B. Change line 4 to this.names = names.clone();.
3. C. Change the getNames() method name to get$Names().
4. D. Change line 6 to public synchronized String[] getNames() {.
5. E. Change line 2 to private final String[] names;.
6. F. Change line 3 to private Secret(String[] names) {.
7. G. Change line 2 to protected volatile String[] names;.

Correct Answer: EFG

Given:

Which two statements are valid to be written in this interface? (Choose two.)

1. A. public abstract void methodB();
2. B. final void methodG(){System.out.println(“G”);}
3. C. private abstract void methodC();
4. D. public String methodD();
5. E. public int x;
6. F. final void methodE();
7. G. public void methodF(){System.out.println(“F”);}

Correct Answer: AD

Which two modules include APIs in the Java SE Specification? (Choose two.)

1. A. java.logging
2. B. java.desktop
3. C. javafx
4. D. jdk.httpserver
5. E. jdk.jartool

Correct Answer: AD

Given the code fragment:

What is the result?

1. A. 01
2. B. 1
3. C. The program prints nothing.
4. D. It prints 1 in the infinite loop.

Correct Answer: D

Given the code fragment:

What is the result?

1. A. ab cd ef
2. B. An ArrayIndexOutOfBoundsException is thrown at runtime.
3. C. The compilation fails.
4. D. abc def
5. E. ad be cf

Correct Answer: E