TLDR Search

Enter a command. For example: vault, pdftk, tailscale file.

java

Java Application Launcher. More information: https://docs.oracle.com/en/java/javase/17/docs/specs/man/java.html.

• Execute a java .class file that contains a main method by using just the class name:
   
  java {{classname}}
   
• Execute a java program and use additional third-party or user-defined classes:
   
  java -classpath {{path/to/classes1}}:{{path/to/classes2}}:. {{classname}}
   
• Execute a .jar program:
   
  java -jar {{filename.jar}}
   
• Execute a .jar program with debug waiting to connect on port 5005:
   
  java -agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=*:5005 -jar {{filename.jar}}
   
• Display JDK, JRE and HotSpot versions:
   
  java -version
   
• Display usage information for the java command:
   
  java -help