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A. A flow layout can be used to position a component that should resize horizontally when the  container is resized.
B. A grid layout can be used to position a component tat should maintain a constant size even when  the container is resized.
C. A border layout can be used to position component that should maintain a constant size even when  the container is resized.
D. The grid bag layout can be used to give a grid-like layout which differs from the normal grid in that individual rows and columns can have unique sizes.
E. If two components are placed in the same column of a grid bag layout， and one component resizes horizontally， then the other component must resize horizontally.

A. Int foo = （int） Math.max（bar）；
B. Int foo = （int） Math.min（bar）；
C. Int foo = （int） Math.abs（bar）；
D. Int foo = （int） Math.ceil（bar）；
E. Int foo = （int） Math.floor（bar）；
F. Int foo = （int） Math.round（bar）；