• General
  • Read environment variables from an application
  • Read environment variables (JDK1.5)
  • Read environment variables (JNI)
  • Use a MAKE file
  • Detect the browser/JVM type
  • Fix the "Wrong magic number" error message
  • Use a precompiler "à la C" with Java
  • Determine what are the classes actually used
  • Set the memory available to the JVM
  • Generate the Javadoc "en français"
  • Use JDK1.5 new features
  • Check the class version
  • Get the system properties or the JVM uptime
  • Detect if running in a 64bit JVM
  • Set the default JVM type
  • Select a particular JRE from the command line
  • Get the PID (pure Java solution)
  • Get the PID (JNI solution)
  • Set default value for Java property or JVM option (system wide)
• Microsoft Windows
  • Capture the output of JAVAC
  • Freeze the JVIEW window in MS VJ++
  • Wrap a Java bean in a COM object (using Sun ActiveX bridge)
  • Know details about the JAVA run-time environment
  • Detect the Microsoft JVM version installed
  • Run Java as a Windows service
  • Execute a class from Windows Explorer
  • Create an icon to launch java apps for Windows
  • Fix "out of environment" error with long CLASSPATH
  • Query the Windows Registry
  • Query/Update the Windows Registry
  • Quickly retrieve available Java JVM on a workstation (Windows)
  • Detect if a Windows service is running (capture VBS return code)
  • List currently running processes (Windows)
  • Check if a program or process is running (Windows)
  • Windows registry vs Java JDK/JRE installation
  • Get the current Java version from a BAT file
  • Get the Windows "My Documents" path
  • Get the Windows Desktop path
  • Get the Windows Special Folders
  • Create an Internet Shortcut
  • Detect if running in remote session (Windows)
  • Get the running JVM Path (Windows)
• Javadoc
  • Create a Taglet to document database access (Javadoc)
  • Generate the Javadoc "en français"
  • Document a package using Javadoc
  • Display a comment in a Javadoc
  • Display XML in a Javadoc
  • Add a copyright notice to a Javadoc
• Log
  • Use a Log file
  • Trace the execution
  • Time the execution
  • Log information efficiently (with Log4J)
  • Change the logging level on-the-fly (Log4J)
  • Enable debug log level on OpenSource package(Apache Commons Logging)
• ZIP, JAR, CAB
  • Use a JAR/ZIP/CAB file
  • Make ZIP/JAR file always accessible from applet
  • Make a JAR executable
  • Application with multiples Jars
  • Access JAR outside the CLASSPATH
  • Extract a file from a Jar
  • Determine if running from JAR
  • Get list of classes in package (in a Jar)
  • Add version to Jar packaging
  • Use ANT to Build a JAR with version/build number
  • Include all jars in the classpath definition
• Browser
  • Detect the browser/JVM type
  • Detect if Java is enabled from HTML
  • See the Java Console Window Log (Java plugin)

Environment and tools HowTo

Written and compiled by Réal Gagnon ©1998-2010
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