Owl Teach Yourself Java 2 in 21 Days, Fourth Edition
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ROGERS CADENHEAD

Day 11: Arranging Components on a User Interface

Certification Practice

Each chapter of the book ends with a Certification Practice question that's comparable to what you could expect to be asked on a Java certification test. Here's the answer for chapter 11:

Answer (b) is correct. Flow layout places each newly added component to the right of the last component.

Answer (a) is incorrect. Nothing is displayed in the frame.

Answer (c) is incorrect because the grid layout is set up with one horizontal column and three vertical rows. The three buttons are displayed in one column instead of side-by-side. The constructor GridLayout(1,3) would have been correct.

Answer (d) is incorrect. Because no compass directions were specified when adding components to a container that used border layout, each component was put on top of the last one. Only the "Gamma" button was visible. Edit

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