Java Increment & Decrement Operators and assignment statements

++ increases the value of a variable by 1

• assignment operator

• decrement operator

• increment operator

• sentinel

--; decreases the value of a variable by 1

• assignment operator

• decrement operator

• increment operator

• sentinel

What would the new value of A be?

A=1;

a++;

• 1

• 2

• 3

• 4

What would the new value of A be?

A=1;

A--;

• 0

• 1

• 2

• -1

What value will print to the screen for i?

int i=5;

System.out.println(i++);

System.out.println(i);

System.out.println(++i);

• 5

  6

  7

• 6

  6

  7

• 6

  7

  8

• 5

  5

  6

++i and i++ cannot be used anywhere for the same purpose

• true

• false

What does the following code output?

int x = 1;

System.out.println(x++);

• 1

• 2

• compilation error

• runtime error

Which statement(s) are equivalent to i = i + 1?

• i += 1

• i++

• i -= 1

• i--

public static void main(String[] args)

{

int num = 2;

int modulo = 15;

modulo %= num;

}

• 1

• 2

• 15

• This code will throw an error because the compound assignment operator is written incorrectly.

In Java, the = sign in a statement means

• is equal to.

• the left hand side is equal to the right hand side in the equation.

• an assignment of the right hand side value to the left hand side variable.

• that two equivalent relationships can be compared using a Boolean comparison.