(import (java.awt Frame) (java.awt Label) (java.awt FlowLayout) (java.awt.event WindowAdapter)) (def frame (Frame.)) (def layout (FlowLayout. FlowLayout/LEFT)) (def label (Label. "Hello, Swing World!")) (doto frame (.addWindowListener (proxy [WindowAdapter] [] (windowClosing [e] (System/exit 0)))) (.setLayout layout) (.add label) (.setSize 640 480) (.setTitle "Hello, World") (.setResizable false) (.setVisible true))