from java.lang import System
from org.eclipse.swt import SWT
from org.eclipse.swt.widgets import Display
from org.eclipse.swt.widgets import Shell
from org.eclipse.swt.widgets import Label
from org.eclipse.swt.layout import FillLayout

display = Display()
shell = Shell(display)
shell.setText("Hello, World")
 
layout = FillLayout(SWT.VERTICAL)
shell.setLayout(layout)
 
label = Label(shell,SWT.BORDER)
label.setText("Hello, SWT World!")
 
shell.setSize( 640, 480 )
shell.open()

while not shell.isDisposed():
    if not display.readAndDispatch():
        display.sleep()
 
display.dispose()