Starting Out with Java: From Control Structures through Data Structures (4th Edition) (What's New in Computer Science)
Starting Out with Java: From Control Structures through Data Structures (4th Edition) (What's New in Computer Science)
4th Edition
ISBN: 9780134787961
Author: Tony Gaddis, Godfrey Muganda
Publisher: PEARSON
Expert Solution & Answer
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Chapter 13, Problem 12AW

Explanation of Solution

TextArea:

  • The “TextArea” is a multiline “TextField” that can take many lines of input.
  • It is present in the “javafx.scene.control” package.
  • The “TextArea” class contains two constructors such as no-argument constructor and argument constructor.
    • The “no-argumnet constructor” is used to create an empty “TextArea”.
    • The “argument constructor” accepts a “String” argument in “TextArea” field.
  • The “TextArea” control performs a word wrapping.
    • The line breaks always occur between words, not in the middle of a word.
  • User can enable the text wrapping by using “TextArea” class “setWrapText()” method.
    • This method takes a “boolean” argument.
    • If the user passes the argument is “true”, then text wrapping is enabled.
    • Otherwise, the text wrapping is disabled.

Example:

The example for “no-argument constructor” and “argument constructor” is shown below:

//for no-arg constructor

TextArea sampleArea = new TextArea();

  • Above statement creates a TextArea with no arguments.

    //for argument constructor

    TextArea sampleArea = new TextArea("This is an example TextArea");

  • Above statement creates a TextArea with arguments.

The example for creating an empty “TextArea” with the height, width and line wrapping is shown below:

//create the empty TextArea control

TextArea exampleText = new TextArea();

//set a width of 30 columns to empty "TextArea"

exampleText...

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Chapter 13 Solutions

Starting Out with Java: From Control Structures through Data Structures (4th Edition) (What's New in Computer Science)

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