Values and Data Types

Chapter 3

Values and Data Types

Class 10 - Logix Kips ICSE Computer Applications with BlueJ

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State whether the given statements are True or False

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Question 1

Java supports the use of the ASCII character set only.
False

Question 2

The ASCII code for character 'Z' is 90.
True

Question 3

The smallest unit in a Java program is known as token.
True

Question 4

The Unicode character set uses 8 to 32 bits per character.
True

Question 5

In an escape sequence, a character is preceded by a backward slash (\).
True

Question 6

In Java, an identifier can begin with a $ sign.
True

Question 7

The boolean data type is used for storing logical values.
True

Question 8

Java offers five types of tokens.
True

Question 9

Identifiers in Java may be of any length.
True

Question 10

The char data type reserves 8 bits in memory.
False

Question 11

Default value of reference data type is null.
True

Question 12

To designate a literal constant of the type float, you must append the letter L to it.
False

Question 13

Default value of char data type is '\u0000'.
True

Question 14

If a literal constant contains a decimal point, then it is of the type double by default.
True

Question 15

A variable can be used in a Java program even if it has not been declared.
False