Check out example codes for "sleep() java". It will help you in understanding the concepts better.

Code Example 1

package com.journaldev.threads;

public class ThreadSleep {

    public static void main(String[] args) throws InterruptedException {
        long start = System.currentTimeMillis();
        Thread.sleep(2000);
        System.out.println("Sleep time in ms = "+(System.currentTimeMillis()-start));
        
    }

}

Code Example 2

import java.util.concurrent.TimeUnit

TimeUnit.SECONDS.sleep(1);
or
TimeUnit.MINUTES.sleep(1);

Code Example 3

import java.util.concurrent.TimeUnit

try {
	TimeUnit.SECONDS.sleep(1);
}
catch (Exception e) {
	System.out.println("Oops! Something went wrong!")
}

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