Which of the following is true about the Cloneable interface?

@Inject annotation belongs to

Livelock describes a situation in which two or more threads block each other, because:

Given a class containing the following pieces of code: ---------------------- public static <T> List getList() { return new ArrayList<T>(); } // ... List<?> list = new ArrayList<Integer>(); ---------------------- Adding which of the following lines would cause the class to not compile?

What will be the output of this code? class Main { static abstract class Base { protected Base() { init(); } abstract void init(); } static class Child extends Base { private final int value; public Child() { value = 5; } @Override public void init() { System.out.println("value = " + value); } } public static void main(String[] args) { Child c = new Child(); } }

A Guarded Block is a concurrency idiom in which:

How can you stop your class from being inherited by another class?

The Thread.sleep() method:

Which of the following is a valid constructor signature?

What is the most efficient way to concatenate a large number of strings in Java?

Which of these are advantages of encapsulation in Java?