Learn Java from Scratch - A Beginner's Guide - Step 14 - Exploring Java New Features - Text Blocks

Learn Java from Scratch - A Beginner's Guide - Step 14 - Exploring Java New Features - Text Blocks

Assessment

Interactive Video

Computers

9th - 10th Grade

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial introduces Java's text blocks, a feature that simplifies handling complex text strings by allowing multi-line strings without the need for escape sequences. Released in JDK 15, text blocks improve code readability and formatting. The tutorial demonstrates creating text blocks, formatting options, and best practices, including using text blocks for templates. It highlights the importance of starting text blocks with three quotes followed by a line terminator and discusses automatic alignment and whitespace stripping.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main purpose of introducing text blocks in Java?

To simplify the readability of complex text strings

To allow the use of emojis in strings

To improve the performance of string operations

To enable multi-threading in string operations

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the example of creating a text block, what is the significance of the three double quotes?

They denote a comment in the code

They are used to concatenate strings

They are used to escape special characters

They indicate the start and end of a text block

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you ensure that there is no new line character at the end of a text block?

By using a different method to print the text block

By setting a flag in the text block declaration

By using a special escape sequence

By placing the closing quotes immediately after the last character

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to common formatting across multiple lines in a text block?

It is converted to tabs

It is retained as is

It is ignored

It causes a compilation error

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can double quotes be included in a text block without causing errors?

By using single quotes instead

By using a backslash to escape them

By directly including them without escaping

By using a special character code

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the recommended way to define a text block for better readability?

Use a single line for the entire text block

Place the text on consecutive lines beneath the declaration

Align the text block with the opening quotes

Start and end the text block on the same line

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can text blocks be used to create templates with dynamic values?

By using string concatenation

By using the formatted method with placeholders

By embedding Java code within the text block

By using a special template library