![]() JPS or t Java Process Status tool works independently in an operating system to provide a convenient way to determine process ID (PID) of the Java process. This utility comes handy when comparing one version of the code release with the other. Java Archive Utility that is also called jar is used to create a compressed archive file. It helps to know how a particular statement works. Java Profiler is popularly known as ‘disassembler’ that people don’t use so often. Runtime.exec() The Runtime class in Java is a high-level class, present in every single Java application. ![]() Using Java, we can run single or multiple shell commands, execute shell scripts, run the terminal/command prompt, set working directories and manipulate environment variables through core classes. ![]() The main use of Java Profiler or javap command-line tool is to reverse the compilation and separate the class files so that the users can know what’s inside them. There's no need to run everything manually. One of the most useful and the most popular command-line tools among developers, Java Compiler (javac) is used for troubleshooting the problems when and if arise in the project’s build and deployment pipeline. Not only this, jdeps is useful for quickly identifying the static dependencies of applications and libraries. ![]() Java Dependency Manager or jdeps is a Java class dependency analyser that is used to suggest the users with relatively new and more functional APIs that can replace the older ones without making any compromise to the functionality. This command is used when you encounter a runtime problem. Java Statistics Aggregator or jstat is a utility tool to display performance statistics for an instrumented hotspot JVM (Java virtual machine).
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