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opus:fall2012:thakes3:hpc1part3

hpc1 Keyword 3

Threading

Definition

The art of Operating systems ripping running processes into much smaller strings to be delt with by the cpu.

References

hpc1 Keyword 3 Phase 2

Demonstration

A simple threading example in Java shows how it cycles through threads

//: c13:SimpleThread.java
// Very simple Threading example.
// From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002
// www.BruceEckel.com. See copyright notice in CopyRight.txt.

public class SimpleThread extends Thread {
  private int countDown = 5;
  private static int threadCount = 0;
  public SimpleThread() {
    super("" + ++threadCount); // Store the thread name
    start();
  }
  public String toString() {
    return "#" + getName() + ": " + countDown;
  }
  public void run() {
    while(true) {
      System.out.println(this);
      if(--countDown == 0) return;
    }
  }
  public static void main(String[] args) {
    for(int i = 0; i < 5; i++)
      new SimpleThread();
  }
} ///:~
opus/fall2012/thakes3/hpc1part3.txt · Last modified: 2012/12/09 01:58 by thakes3