Assume that x and y are boolean variables and have been properly initialized.

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Terms in this set (10)

What are if statements used for in programs?

Making decisions

Which if statement below tests if letter holds J? ( letter is a char)

if (letter == 'J')

What does the following code do?
if (month == 4)
if (day <= 21)
System.out.println("Aries");

Tests if month is 4 and day is less than or equal to 21.

What is output to the screen by the following code?
int x = 29 % 10;
if (x > 10)
System.out.println(1);
else if (x > 8)
System.out.println(2);
else if (x > 6)
System.out.println(3);
else if ( x > 4)
System.out.println(4);
else
System.out.println(5);

2

Consider the following code:
int x = 8;
int y = 17;
if (x != y)
System.out.print ("one");
else if (x > y)
System.out.print ("two");
else if (y < x)
System.out.print ("three");
else if (y >= x)
System.out.print("four");
else
System.out.print("five");
What is the output?

one

A && (A || B)

The following truth table matches which boolean condition?

Given the variables, which boolean condition is true?
int a = 5;
int b = 5;

b >= a || a >= b

To test if a grade is a C (between 70 and 79 inclusive) you would use the following if statement:
if ( g ______ 70 ______ g ______ 79)
What three sets of symbols correctly fill in the blanks?

>=, &&, <=

Consider the following expression. Assume that x and y are properly initialized boolean variables.
(x && y) || !(x || y)
The result of evaluating the expression above is best described as:

true only when x and y have the same value

Consider the following code:
if ( !(val >= 80 && val < 90) )
Which of the following produces the same output?

if (val < 80 || val >= 90)

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