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YouareassignedthetaskofbuildingapanelcontainingaTextAreaatthetop，alabeldirectlybelowit，andabuttondirectlybelowthelabel.Ifthethreecomponentsareaddeddirectlytothepanel.WhichlayoutmanagercanthepanelusetoensurethattheTextAreaabsorbsallofthefreeverticalspacewh
题目
YouareassignedthetaskofbuildingapanelcontainingaTextAreaatthetop，alabeldirectlybelowit，andabuttondirectlybelowthelabel.Ifthethreecomponentsareaddeddirectlytothepanel.WhichlayoutmanagercanthepanelusetoensurethattheTextAreaabsorbsallofthefreeverticalspacewhenthepanelisresized？（）
A.GridLayout.
B.CardLayout.
C.FlowLayout.
D.BorderLayout.
E.GridBagLayout.