It’s late 2001, and the IDE landscape is fractured. We have Visual Studio for Windows, various proprietary tools for Java (like Borland JBuilder), and a lot of people still using Emacs or VI. IBM has just done something unprecedented: they’ve taken their internal, multi-million dollar IDE project and released it as open source.
Welcome to Eclipse.
A Platform, Not Just an IDE
The most brilliant thing about Eclipse is that it isn't just a Java editor. It’s a "platform for everything." Everything in Eclipse is a plugin. Even the core features of the Java development environment (JDT) are just plugins running on the Eclipse Rich Client Platform (RCP).
This "everything is a plugin" philosophy means that Eclipse can be extended to support any language or tool. I’m already seeing plugins for C++, XML, and even database management.
SWT vs Swing
One controversial choice is the use of SWT (Standard Widget Toolkit) instead of Java’s built-in Swing. SWT uses native OS widgets, which makes Eclipse feel like a real native application on Windows, Linux, and Mac. It’s faster and more responsive than the "clunky" Java GUIs we’re used to.
// A simple SWT snippet
Display display = new Display();
Shell shell = new Shell(display);
shell.setText("Hello Eclipse");
shell.setLayout(new FillLayout());
Button btn = new Button(shell, SWT.PUSH);
btn.setText("Click Me!");
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) display.sleep();
}
display.dispose();
Looking Ahead
By open-sourcing Eclipse and creating the Eclipse Foundation, IBM has effectively commoditized the IDE. Why pay $1,000 for a proprietary tool when you have a world-class, extensible platform for free? This is going to put massive pressure on companies like Borland and Sun. For us developers, it means better tools, more integration, and a thriving ecosystem of plugins.
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