- It is used for asynchronous behaviour.
- Thread can be created using Runnable Interface or Extending Thread
- Thread.sleep(mills) pauses the current thread execution for defined millseconds.
- We can also use Thread.sleep(mills,nano) which indicates the time in millisecond and nanosecond.
ThreadDemo.java
class ThreadDemo extends Thread{
String name;
ThreadDemo(String n){
name = n;
System.out.println("Creating: " +name);
}
public void run(){
System.out.println("Running: " + name);
try{
for(int i = 4; i> 0; i--){
System.out.println("Thread: "+name+" Printing: " + i);
Thread.sleep(500);
}
}
catch(InterruptedException e)
{
System.out.println("Thread "+ name + " interupted!");
}
System.out.println("Thread "+name+" exiting");
}
}
RunThread.java
class RunThread {
public static void main(String[] args) {
ThreadDemo x = new ThreadDemo("Thread 1");
x.start();
ThreadDemo y = new ThreadDemo("Thread 2");
y.start();
}
}