Java Programming for Complete Beginners - Java 16 - Step 10 - Java Character Data Type char - Representation and Convers

The video tutorial explains the character data type in Java, highlighting its importance and how to define character variables using single quotes. It covers the use of Unicode values to represent a wide variety of characters, including those not available on the keyboard. The tutorial also discusses character operations, memory usage, and how characters can be manipulated like integers. Special attention is given to handling special characters such as newline and tab, demonstrating their representation and usage in Java.

What is the correct way to define a character variable in Java?

• char ch = "A";

• char ch = 'AB';

• char ch = A;

• char ch = 'A';

Which of the following is a correct Unicode representation for a character?

• \u002

• \u2200

• \u22

• \u0022

How many bytes does the character data type use in Java?

• 1 byte

• 8 bytes

• 2 bytes

• 4 bytes

What happens when you assign the number 65 to a character variable in Java?

• It becomes the character 'A'.

• It becomes the character 'C'.

• It becomes the character 'B'.

• It throws an error.

What is the result of the operation 'ch + 5' if 'ch' is a character with value 'D'?

• 75

• 70

• 68

• 73

What does the character '\n' represent in Java?

• A null character

• A new line

• A tab space

• A backslash

How is a tab character represented in Java?

• \r

• \b

• \n

• \t