clean: make code shorter
clean: make code shorter

mhcrnl/java-swing-tips,aoguren/java-swing-tips,aoguren/java-swing-tips,mhcrnl/java-swing-tips,aterai/java-swing-tips,aterai/java-swing-tips,aoguren/java-swing-tips,mhcrnl/java-swing-tips,aterai/java-swing-tips,aterai/java-swing-tips