Concurrency in Java

What does it mean when two tasks are operating concurrently?

• They are executing simultaneously.

• They are both making progress at once.

• They are waiting for each other to complete.

• They are running on different processors.

What is the capability called that allows multiple threads to execute concurrently?

• Multithreading

• Parallel processing

• Synchronization

• Thread scheduling

What should the vast majority of programmers use to manage synchronization?

• Existing collection classes and interfaces from the concurrency APIs

• Locks and Conditions

• Synchronized keyword

• Thread objects

What happens when a runnable thread attempts to perform a task that cannot be completed immediately?

• It enters the blocked state.

• It continues executing.

• It terminates.

• It goes to sleep.

What is the process called that an operating system uses to determine which thread to dispatch?

• Thread scheduling

• Context switching

• Load balancing

• Thread management

What is starvation in the context of thread scheduling?

• When a thread is indefinitely postponed.

• When a thread is terminated.

• When a thread is blocked.

• When a thread is in the runnable state.

What is indefinite postponement sometimes referred to as?

• Starvation

• Deadlock

• Aging

• Threading

What occurs when a waiting thread cannot proceed because it’s waiting for another thread to proceed?

• Starvation

• Deadlock

• Aging

• Threading

What is the first method to create threads?

• Extending Thread class

• Implementing Runnable interface

• Using Executor Framework

• None of the above

What does the Runnable interface declare?

• Multiple methods

• Single method run

• No methods

• All of the above