Question

How to wrap text to the level of line and words and make non-editable text? a. setLineWrap(true); b. setWrapStyleWord(true) c. setEditable(false) d. All of the above

Short answer

d. All of the above

Step-by-step solution

Understand the requirements

The task requires wrapping text at the line and word levels and making the text non-editable.

Analyze the options

Review the given options to determine which ones fulfill the requirements: a. `setLineWrap(true)` wraps text to the next line. b. `setWrapStyleWord(true)` wraps text at word boundaries. c. `setEditable(false)` makes the text non-editable.

Choose the correct answer

Since all given methods (`setLineWrap(true)`, `setWrapStyleWord(true)`, and `setEditable(false)`) together fulfill both the text wrapping and non-editable requirements, the correct answer is option d. 'All of the above'.

Key concepts

setLineWrap method

The `setLineWrap` method is an essential feature in Java’s JTextArea component. This method ensures that the text does not exceed the visible boundary of the text area. Instead of extending horizontally off the screen, it moves down to the next line.

Using `setLineWrap(true)` enables line wrapping within the text area. This is particularly useful in applications where the visibility of all text without horizontal scrolling is necessary.

Without line wrapping, users would need to scroll horizontally to read the entire content, which can be inconvenient in many scenarios. Always consider enabling line wrapping when designing user interfaces that involve large text areas.

setWrapStyleWord method

The `setWrapStyleWord` method enhances the readability of wrapped text. When you use `setWrapStyleWord(true)`, it ensures that the text wraps at word boundaries instead of cutting words in half.

This method works in tandem with `setLineWrap(true)` to provide a cleaner and more user-friendly presentation of text. For example, instead of breaking a word like 'example' into 'exam-' and 'ple', the entire word 'example' will move to the next line if it doesn’t fit within the line's end.

Implementing this method makes reading long paragraphs or sentences much smoother and significantly improves the user experience in text-heavy applications.

setEditable method

The `setEditable` method determines whether the text within a JTextArea can be modified by the user. Using `setEditable(false)` makes the text area non-editable, meaning users cannot change the text displayed.

This feature is particularly useful for displays where the content should remain static, such as in logs, instructions, or read-only documentation sections. While users can scroll and select text, they won't be able to alter it.

In contrast, if you need the users to edit or input text, you should ensure `setEditable(true)` is set. This flexibility allows developers to tailor the interactivity of text components according to the application’s needs.