Chapter 4: Fundamental Data Types

Question 1

number literal

Answer 1

A fixed value in a program this is explicitly written as a number, such as –2 or 6.02214115E23

Question 2

constants

Answer 2

A value that cannot be changed by a program. In Java, constants are defined with the reserved word final.

Question 3

operators

Answer 3

A symbol denoting a mathematical or logical operation, such as + or &&.

Question 4

integer division

Answer 4

Taking the quotient of two integers and discarding the remainder. In Java the / symbol denotes integer division if both arguments are integers. For example, 11/4 is 2, not 2.75.

Question 5

modulus

Answer 5

The % operator that computes the remainder of an integer division.

Question 6

prompt

Answer 6

A string that tells the user to provide input.

Question 7

characters

Answer 7

A single letter, digit, or symbol.

Question 8

string

Answer 8

A sequence of characters.

Question 9

literals

Answer 9

A notation for a fixed value in a program, such as –2, 3.14, 6.02214115E23, “Harry”, or ‘H’.

Question 10

concatenation

Answer 10

Placing one string after another to form a new string.

Question 11

escape sequence

Answer 11

A sequence of characters that starts with an escape character, such as \n or ".

Question 12

Unicode

Answer 12

A standard code that assigns code values consisting of two bytes to characters used in scripts around the world. Java stores all characters as their Unicode values.

Question 13

character

Answer 13

A single letter, digit, or symbol.

Question 14

primitive types

Answer 14

In Java, a number type or boolean.