diff --git a/flink-clients/src/main/java/org/apache/flink/client/cli/CliFrontend.java b/flink-clients/src/main/java/org/apache/flink/client/cli/CliFrontend.java index a1e6989ced681..329716e6c059d 100644 --- a/flink-clients/src/main/java/org/apache/flink/client/cli/CliFrontend.java +++ b/flink-clients/src/main/java/org/apache/flink/client/cli/CliFrontend.java @@ -369,11 +369,10 @@ protected void info(String[] args) throws Exception { } String description = program.getDescription(); + System.out.println(); if (description != null) { - System.out.println(); System.out.println(description); } else { - System.out.println(); System.out.println("No description provided."); } } finally { @@ -463,7 +462,7 @@ private void listJobs( }); if (showRunning || showAll) { - if (runningJobs.size() == 0) { + if (runningJobs.isEmpty()) { System.out.println("No running jobs."); } else { System.out.println( @@ -474,7 +473,7 @@ private void listJobs( } } if (showScheduled || showAll) { - if (scheduledJobs.size() == 0) { + if (scheduledJobs.isEmpty()) { System.out.println("No scheduled jobs."); } else { System.out.println( @@ -485,7 +484,7 @@ private void listJobs( } } if (showAll) { - if (terminatedJobs.size() != 0) { + if (!terminatedJobs.isEmpty()) { System.out.println( "---------------------- Terminated Jobs -----------------------"); printJobStatusMessages(terminatedJobs);