Model 1: Basic Java Programming - Arithmetic expressions and operators

Question 1

Integer and floating point division#

There are two types of division

Answer 1

• Integer division: takes two integers and evaluates to an integer.
• Floating-point division: takes two floating-point numbers (numbers with a decimal point) and evaluates to a floating-point number.

Question 2

Typecasting operators#

A cast operator is written using parentheses and

Answer 2

the name of the target type, and precedes the value to be cast.

For example, (double) 5 yields the value 5.0.

Question 3

post-increment operator

Answer 3

x++ produces a value: the value of x before adding 1 to x.

Question 4

pre-increment operator

Answer 4

++x increments the variable first, and then produces the value