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pages.pl/common/java.md

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+# java
+
+> Java Application Launcher.
+> More information: <https://java.com>.
+
+- Execute a java .class file that contains a main method by using just the class name:
+
+`java {{classname}}`
+
+- Execute a .jar program:
+
+`java -jar {{filename.jar}}`
+
+- Display JDK, JRE and HotSpot versions:
+
+`java -version`
+
+- Display usage information for the java command:
+
+`java -help`