StartAndStopInstance.java

package com.java4coding;

import com.amazonaws.auth.AWSCredentialsProvider;
import com.amazonaws.auth.PropertiesFileCredentialsProvider;
import com.amazonaws.regions.Regions;
import com.amazonaws.services.ec2.AmazonEC2;
import com.amazonaws.services.ec2.AmazonEC2Client;
import com.amazonaws.services.ec2.model.StartInstancesRequest;
import com.amazonaws.services.ec2.model.StopInstancesRequest;

public class StartAndStopInstance {
   public static void main(String[] args) {
       AWSCredentialsProvider provider = new PropertiesFileCredentialsProvider(
               "F:\\My_Programs\\AWS\\AWSEC2Example\\src\\main\\resources\\awscredentials.properties");

       AmazonEC2 amazonEC2Client = AmazonEC2Client.builder()
               .withRegion(Regions.US_WEST_2)
               .withCredentials(provider)
               .build();

       StartInstancesRequest startInstancesRequest = new StartInstancesRequest();
       startInstancesRequest.withInstanceIds("instanceId");
       amazonEC2Client.startInstances(startInstancesRequest);

       StopInstancesRequest stopInstancesRequest = new StopInstancesRequest();
       stopInstancesRequest.withInstanceIds("instanceId");
       amazonEC2Client.stopInstances(stopInstancesRequest);
   }

}