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Problems HelloWorldSWT [message #847799]

Tue, 17 April 2012 17:08

Timo Schuster

Messages: 1
Registered: April 2012

Junior Member

Hello, i have Problems with the HelloWorldSWT Example.

this are the errors
Exception in thread "main" java.lang.Error: Unresolved compilation problems:
Display cannot be resolved to a type
Display cannot be resolved to a type
Shell cannot be resolved to a type
Shell cannot be resolved to a type

at HelloWorldSWT.main(HelloWorldSWT.java:10)

and this is the java code:

public class HelloWorldSWT {

/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub

Display display = new Display();
Shell shell = new Shell(display);
shell.setText("Hello world!");
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) display.sleep();
}
display.dispose();
}

}

any idea? thanks Timo

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Re: Problems HelloWorldSWT [message #871396 is a reply to message #847799]

Sun, 13 May 2012 08:42

David Winkworth

Messages: 1
Registered: May 2012

Junior Member

Running the risk of spoiling it for you, this is what your code should look like.

public class HelloWorldSWT {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Display display = new Display();
		Shell shell = new Shell(display);
		shell.setText("Hello World!");
		shell.open();
		while (!shell.isDisposed()) {
			if (!display.readAndDispatch()) display.sleep();
		}
		display.dispose();
		}
	}

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