February 2014
Beginner
1248 pages
62h 25m
English
Content preview from Java™ How To Program (Early Objects), Tenth Edition
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Section 12.20 JTextArea
• A JTextArea (p. 539)—a subclass of JTextComponent—may contain multiple lines of text.
• Class Box (p. 540) is a subclass of Container that uses a BoxLayout layout manager (p. 541) to arrange the GUI components either horizontally or vertically.
• Box static method createHorizontalBox (p. 541) creates a Box that arranges components from left to right in the order that they’re attached.
• Method getSelectedText (p. 541) returns the selected text from a JTextArea.
• You can set the horizontal and vertical scrollbar policies (p. 542) of a JScrollPane when it’s constructed. JScrollPane methods setHorizontalScrollBarPolicy (p. 542) and setVertical ScrollBarPolicy (p. 542) can be used to change the scrollbar policies at any ...
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