How do you test code that uses jcmd?

Learn how to test Java code that utilizes the jcmd tool for process management and diagnostics in a simple and effective way.

Java, jcmd, testing, code, diagnostics, process management

To test code that uses jcmd, you need to ensure that your Java application is running and accessible from the command line. Below is an example of how to use jcmd to get the Java process ID (PID) and perform basic diagnostics on a running Java application.

php // Example PHP script to run jcmd // Get Java process ID $output = shell_exec("jps"); echo $output; // Replace with the actual process ID you get from the previous command $pid = ; // Use jcmd to get heap information $heapInfo = shell_exec("jcmd {$pid} GC.heap_info"); echo $heapInfo; ?>

Java jcmd testing code diagnostics process management

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