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The Java Developers Almanac 1.4Order this book from Amazon. |
e983. Modifying Text in a JTextArea ComponentThe text in a text area can be modified using the method described in e970 Modifying Text in a JTextComponent. However, the text area supports a similar set of convenience editing methods that are demonstrated in this example.// Create the text area JTextArea ta = new JTextArea("Initial Text"); // Insert some text at the beginning int pos = 0; ta.insert("some text", pos); // Insert some text after the 5th character pos = 5; ta.insert("some text", pos); // Append some text ta.append("some text"); // Replace the first 3 characters with some text int start = 0; int end = 3; ta.replaceRange("new text", start, end); // Delete the first 5 characters start = 0; end = 5; ta.replaceRange(null, start, end);
e984. Enumerating the Lines in a JTextArea Component e985. Setting the Tab Size of a JTextArea Component e986. Moving the Focus with the TAB Key in a JTextArea Component e987. Enabling Word-Wrapping and Line-Wrapping in a JTextArea Component e988. Implementing a Console Window with a JTextArea Component
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