tencent cloud

import com.tencentcloudapi.common.Credential;
import com.tencentcloudapi.common.exception.TencentCloudSDKException;
import com.tencentcloudapi.common.profile.ClientProfile;
// Import the client of the corresponding product module
import com.tencentcloudapi.cvm.v20170312.CvmClient;
// Import the request response class corresponding to the request API
import com.tencentcloudapi.cvm.v20170312.models.DescribeInstancesRequest;
import com.tencentcloudapi.cvm.v20170312.models.DescribeInstancesResponse;

public class DescribeInstances
{
    public static void main(String [] args) {
        try{
            // Instantiate an authentication object. The Tencent Cloud account `secretId` and `secretKey` need to be passed in as the input parameters
            Credential cred = new Credential("secretId", "secretKey");

            // Instantiate the client object of the requested product (with CVM as an example)
            ClientProfile clientProfile = new ClientProfile();
            clientProfile.setSignMethod(ClientProfile.SIGN_TC3_256);
            CvmClient client = new CvmClient(cred, "ap-guangzhou", clientProfile);

            // Instantiate a request object
            DescribeInstancesRequest req = new DescribeInstancesRequest();

            // Call the API you want to access through the client object. You need to pass in the request object
            DescribeInstancesResponse resp = client.DescribeInstances(req);

            // A string return packet in JSON format is output
            System.out.println(DescribeInstancesRequest.toJsonString(resp));
        } catch (TencentCloudSDKException e) {
                System.out.println(e.toString());
        }

    }
}