// Import classes:
import com.huaweicloud.cs.java.v1.client.ApiException;
import com.huaweicloud.cs.java.v1.JobApi;


JobApi apiInstance = new JobApi(apiClient);//apiClient is created when initializing a CS API client.
String xProjectId = "xProjectId_example"; // String | Project ID used for obtaining the token for the project.
Long jobId = 789L; // Long | Job ID.
Integer managerSpu = 56; // Integer | Number of management node SPUs selected by a user for a job. For user-defined Flink jobs, the parameter value is the number of Flink job managers. For user-defined Spark jobs, the parameter value is the number of Spark drivers.
String name = "name_example"; // String | Job name.
String desc = "desc_example"; // String | Job description.
Integer clusterId = 56; // Integer | Resource ID of an exclusive cluster. Ensure that the current user has been authorized to use resources of the exclusive cluster.
Integer spuNumber = 56; // Integer | Number of SPUs selected by a user for a job. You need to set this parameter when submitting a user-defined Flink job, but not when submitting a user-defined Spark job.
Integer parallelNumber = 56; // Integer | Number of parallel tasks selected by a user for a job. You need to set this parameter when submitting a user-defined Flink job, but not when submitting a user-defined Spark job.
Integer executorNumber = 56; // Integer | Number of executors selected by a user for a Spark job. You need to set this parameter when submitting a user-defined Spark job, but not when submitting a user-defined Flink job.
Integer executorSpu = 56; // Integer | Number of SPUs for each executor of a Spark job. You need to set this parameter when submitting a user-defined Spark job, but not when submitting a user-defined Flink job.
Boolean logEnabled = true; // Boolean | Whether to enable the job log function. Value true indicates that the job log function is enabled, and value false indicates that the job log function is disabled.
String obsBucket = "obsBucket_example"; // String | OBS path where users are authorized to save the snapshot. This parameter is valid only when log_enabled is set to true.
String smnTopic = "smnTopic_example"; // String | Whether CS pushes alarm information to the SMN topic if a job fails to work.
File jar = new File("/path/to/file.txt"); // File | JAR file uploaded by the user. This parameter has a higher priority than the jar_url parameter.
String jarUrl = "jarUrl_example"; // String | OBS path of the JAR package uploaded by the user.
File config = new File("/path/to/file.txt"); // File | Configuration file uploaded by the user. This parameter has a higher priority than the config_url parameter.
String configUrl = "configUrl_example"; // String | OBS path of the config package uploaded by the user.
String mainClass = "mainClass_example"; // String | Job main class.
String args = "args_example"; // String | Job main class arguments.
try {
    JobUpdateResponse result = apiInstance.updateJarJob(xProjectId, jobId, managerSpu, name, desc, clusterId, spuNumber, parallelNumber, executorNumber, executorSpu, logEnabled, obsBucket, smnTopic, jar, jarUrl, config, configUrl, mainClass, args);
    System.out.println(result);
} catch (ApiException e) {
    System.err.println("Exception when calling JobApi#updateJarJob");
    System.err.println(e.getResponseBody());
    e.printStackTrace();
}