Java

Table of Contents

Overview

Articles of Note

• Criticism of Java Persistence Frameworks

Running External Commands

• Running external system commands in Java applications
• How to run a command-line OR execute a system command
• How to run command-line or execute external application from Java
• How to run external system commands in Java
• Execute an external program
• Execute an external program - Real's Java How-to
• When Runtime.exec() won't - Java World
• Trouble with Runtime.getRuntime().exec(cmd) on Linux - Java
• Runtime.getRuntime().exec (Linux / UNIX forum at JavaRanch)
• Java's Runtime.exec() and External Applications

Example Code

• SysCommandExecutor.zip is supplied for your use. 99% of the code is from the How to run a command-line OR execute a system command article.
  • Thie code is incomplete but functional. It does no OS checking, nor does it validate parameters.
  • usage : java SysCommandExecutor notepad.exe will launch Windows notepad.
  • usage : java SysCommandExecutor "cmd /c \"Software list.xlsx\"" will launch the windows command interpreter telling it to carry out command string "Software list.xlsx".
    • In this case, "Software list.xlsx" is an excel file.
    • Windows file type recognition automatically kicks in and launched excel to render the file.
    • Note the \" escape sequence is needed to surround file names with embedded spaces.

Garbage Collection

• Tuning Java Garbage Collection

Tools

IDE's

• Build GUIs with the Eclipse Visual Editor project

Windows Specific

• Have a systray icon (Windows)

IBM alphaWorks

• Thread and Monitor Dump Analyzer for Java
• HeapAnalyzer
• Pattern Modeling and Analysis Tool for Java Garbage Collector
• Performance Analysis Tool for Java
• Processor Time Analysis Tool for Linux

IBM developerWorks

• IBM Monitoring and Diagnostic Tools for Java - Health Center Version 1.0
  • The IBM Monitoring and Diagnostic Tools for Java - Health Center is a low-overhead diagnostic tool for monitoring a running IBM Java Virtual Machine.