A.Dimension B.Rectangle C.Point D.int[]
A.setLayoutManager(newGridLayout()); B.setLayout(newGridLayout(2,2)); C.setGridLayout(2,2); D.setBorderLayout()
A.setSize(intwidth,intheight) B.setSize(intx,inty,intwidth,intheight) C.setSize(Dimensiondim) D.以上皆不是