Chapter 23

Question 1

Can a process have multiple threads

Answer 1

Yes

Question 2

What is light weight and what is heavy weight, Thread or process

Answer 2

Processes are heavy weight

Thread is light weight

Question 3

how thread and process deal with address base

Answer 3

Thread shared address base and process have own address base

Question 4

Does java have built-in support for threading

Answer 4

Yes

Question 5

Who deals with threads of java on OS level

Answer 5

Virtual Machine (VM)

Question 6

What is starvation

Answer 6

One thread executes and keep executing and another thread can not run. It is called starvation.

Question 7

What are 2 approaches in JAVA to create threads

Answer 7

1- Interface based

2- Inheritance based

Question 8

Can we set priority in JAVA threads

Answer 8

Yes

Question 9

How can we change priority of threads

Answer 9

Using 3 predefined constants
- Thread.MAX_PRIORITY (typically 10)
- Thread.NORM_PRIORITY (typically 5)
- Thread.MIN_PRIORITY (typically 1)
Or 
set to 1-10

Question 10

What is the method to set priority

Answer 10

setPriority(int priority)

Question 11

What is the exception for threads

Answer 11

IllegalArgumentException

Question 12

Does cooperative multi threading old

Answer 12

Yes

Question 13

What are 2 ways to avoid starvation

Answer 13

• Sleep

- Yield