GridBag () { gridwidth = gridheight = 1; int column = gridx; anchor(getDefaultAnchor(column)); fill = getDefaultFill(column); weightx(getDefaultWeightX(column)); weighty(getDefaultWeightY(column)); padx(getDefaultPaddingX(column)); pady(getDefaultPaddingY(column)); insets(getDefaultInsets(column)); return this; }