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What is Thread starvation?

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Pragya Keshap answered on February 4, 2023 Popularity 8/10 Helpfulness 2/10

answer What is Thread starvation?

What is Thread starvation?

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In a priority based scheduling, Threads with lower priority get

lesser time for execution than higher priority threads.

If a lower priority thread performs a long running computation, it

may happen that this thread does not get enough time to finish its

computations just in time. In such a scenario, the tread with lower

priority would starve. It will remain away from the threads with

higher priority

class Starvation extends Thread { 
 static int count = 1; 
 public void run() { 
  System.out.println(count + " Thread execution starts"); 
  System.out.println("Thread execution completes"); 
  count++; 
 } 
 public static void main(String[] args) throws InterruptedException { 
  System.out.println("Parent thread execution starts"); 

  /* Priority of each thread given. */
        /* Thread 1 with priority 7. */
  Starvation thread1 = new Starvation(); 
  thread1.setPriority(7); 
        /* Thread 2 with priority 6. */
  Starvation thread2 = new Starvation(); 
  thread2.setPriority(6); 
        /* Thread 3 with priority 5. */
  Starvation thread3 = new Starvation(); 
  thread3.setPriority(5);
        /* Thread 4 with priority 4. */
  Starvation thread4 = new Starvation(); 
  thread4.setPriority(4); 
        /* Thread 5 with priority 3. */
  Starvation thread5 = new Starvation(); 
  thread5.setPriority(3); 

  thread1.run(); 
  thread2.run(); 
  thread3.run(); 
  thread4.run(); 

  /* Here thread 5 have to wait because of the 
     other threads */
  thread5.run(); 

  System.out.println("Parent thread execution completes"); 
 } 
}

https://medium.com/javarevisited/starvation-of-threads-in-java-e3d6bcfeb770

Popularity 8/10 Helpfulness 2/10 Language java

Source: Grepper

Tags: java

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Contributed on Feb 04 2023

Pragya Keshap

0 Answers Avg Quality 2/10

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