Given:

Which code, when inserted at one or more marked positions, would allow classes B and C to compile?

• A.public void z() { } // position 3
• B.@Override // position 2public void z() { } // position 3
• C.implements A // position 1@Override // position 2
• D.@Override // position 3void x () {} // position 3@Override // position 3public void z() { } // position 3

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Given the code fragment:

What is the result?

• A.23
• B.12
• C.123
• D.13

Correct Answer: A

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Given:

Which two allow a.Main to allocate a new Person? (Choose two.)

• A.In Line 1, remove the access modifierPerson() {
• B.In Line 2, add extends Person to the Main classpublic class Main extends Person {and change Line 3 to create a new Main objectPerson person = new Main();
• C.In Line 1, change the access modifier to privateprivate Person() {
• D.In Line 1, change the access modifier to publicpublic Person() {
• E.In Line 2, change the access modifier to protectedprotected class Main {

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Given:

What is the result?

• A.nothing
• B.null
• C.Student
• D.It fails to compile.
• E.java.lang.IllegalAccessException is thrown.

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Given these two classes:


And given this fragment:

Which describes the fragment?

• A.It throws IllegalMonitorStateException.
• B.The code does not compile.
• C.It is subject to deadlock.
• D.It is subject to livelock.

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