AMIからオンデマンドインスタンスを作成する。[SDK for Java] ref: http://qiita.com/uzresk/items/9d2ee05b9bb3568b9655

file0.java

import com.amazonaws.ClientConfiguration;
import com.amazonaws.auth.AWSCredentialsProvider;
import com.amazonaws.auth.profile.ProfileCredentialsProvider;
import com.amazonaws.regions.Region;
import com.amazonaws.regions.Regions;
import com.amazonaws.services.ec2.AmazonEC2;
import com.amazonaws.services.ec2.AmazonEC2Client;
import com.amazonaws.services.ec2.model.InstanceType;
import com.amazonaws.services.ec2.model.RunInstancesRequest;
import com.amazonaws.services.ec2.model.RunInstancesResult;

public class Ec2CreateInstanceFromAmi {

    public static void main(String[] args) {

        AWSCredentialsProvider provider = new ProfileCredentialsProvider("uzr");

        AmazonEC2 ec2_tokyo = Region.getRegion(Regions.AP_NORTHEAST_1)
                .createClient(AmazonEC2Client.class, provider,
                        new ClientConfiguration());

        RunInstancesRequest instanceRequest = new RunInstancesRequest()
                .withImageId("ami-61a29d60")
                .withInstanceType(InstanceType.T2Micro)
                .withMinCount(1)
                .withMaxCount(1)
                .withSecurityGroupIds("launch-wizard-1")
                .withKeyName("uzr_key");

        RunInstancesResult result = ec2_tokyo.runInstances(instanceRequest);
        
        System.out.println(result.getReservation());
    }
}