java sleep in main method

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java sleep in main method

Hi,

How to write Java program for sleeping in the main method?

I want Java program to have sleep in main method. Try to share me the code examples.

Thanks

View Answers

April 28, 2020 at 6:13 AM

Hi,

Yes it is possible to write such example. Here is the example code which sleeps for 500 milliseconds and then print the count:

package net.roseindia;

public class SleepMethodExample extends Thread {

    public void run() {
        for (int i = 0; i < 10; i++) {
            // Sleep for 500 milliseconds
            try {
                Thread.sleep(500);
            } catch (InterruptedException e) {
                System.out.println(e);
            }
            System.out.println(i);
        }
    }

    public static void main(String[] args) {
        SleepMethodExample obj = new SleepMethodExample();
        obj.start();
    }

}

We have extended the SleepMethodExample with Thread class to make it threaded application.

Then implemented the run() method. Inside the run() method we have used Thread.sleep(500); for sleeping the thread for 500 milliseconds.

Hope this helps you.

Thanks


April 28, 2020 at 6:17 AM

Hi,

How Thread Sleep Works?

In this example we have used the Thread.sleep() method, which actually interacts with the thread scheduler of the program and then put the current thread in wait state for the time specified in the parameter. The Thread.sleep() method takes parameter in milliseconds and it sleeps the thread for specified milliseconds.

Once the sleep time is over thread state is changed to runnable state and normal execution of program starts after that.

Thanks


April 28, 2020 at 8:27 AM

Hi,

Here is the screen shot of the program discussed here.

Thanks

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