Questions Related to technology

Multiple choice technology programming languages
  1. Exactly 10 seconds after the start method is called, "Time's Up!" will be printed.

  2. Exactly 10 seconds after "Start!" is printed, "Time's Up!" will be printed.

  3. The delay between "Start!" being printed and "Time's Up!" will be 10 seconds plus or minus one tick of the system clock.

  4. If "Time's Up!" is printed you can be sure that at least 10 seconds have elapsed since "Start!" was printed.

Reveal answer Fill a bubble to check yourself
D Correct answer
Multiple choice technology programming languages
  1. It is an instance method of Object class.

  2. It is a static method of the Object class

  3. It is an instance method of Thread class.

  4. The Thread must have a lock on the object on which the wait() method is to be invoked

  5. An object can have only one Thread in a waiting state at a time

  6. It must be called in a synchronized code

Reveal answer Fill a bubble to check yourself
A,D,F Correct answer
Multiple choice technology programming languages
  1. Static methods cannot be synchronized

  2. Synchronized methods cannot make calls to non-synchronized methods

  3. A synchronized method can be overridden to be non-synchronized and vice versa

  4. When a thread is executing a synchronized method, other threads can freely access non-synchronized methods of the same object

Reveal answer Fill a bubble to check yourself
C,D Correct answer