Java Programming Quiz 10.14

What is the output of the following code?
double x = 15.7;
int y = (int) x;
System.out.println(y);

• 15

• 16

• 15.7

• 15.0

Consider the following code:
int a = 7;
int b = 2;
double result = (double) a / b;
System.out.println(result);
What is the output?

• 3

• 3.0

• 3.5

• 3.50

What is the value of `z` after this code executes?
double x = 12.9;
int y = 5;
int z = (int) (x / y);

• 2

• 2.0

• 2.58

• 3

Which of the following will correctly cast the result of the division to an integer?
double num1 = 17.8;
double num2 = 5.2;

• int result = (int) (num1 / num2);

• int result = (int) num1 / num2;

• int result = num1 / (int) num2;

• int result = num1 / num2;

What is the output of this code?
int m = 10;
int n = 3;
double o = (double) m / n;
System.out.println(o);

• 3

• 3.0

• 3.33

• 3.3333333333333335

What will be printed if this code is executed?

int score = 75;

if (score >= 70)

{System.out.println("Pass"); }

System.out.println("End of program");

• Pass

• End of program

• Pass End of program

• Nothing will be printed

What is the output of this code?
int x = 10;
if (x % 2 == 0) {
x = x / 2;
}
System.out.println(x);

• 10

• 5

• 0

• 2

Which of the following is the correct syntax for an if statement?

• if (condition) {
  }

• if condition {
  }

• if (condition); {
  }

• if { condition
  }

What will be printed if `temperature` is 25?
int temperature = 25;
if (temperature > 30) {
System.out.println("Hot");
} else {
System.out.println("Not hot");
}

• Hot

• Not hot

• Nothing will be printed

• Error

What is the value of `result` after this code executes?
int num = -5;
int result;
if (num >= 0) {
result = num * 2;
} else {
result = num * -1;
}

• -5

• 5

• -10

• 10