Create Test
Quiz logo

java computer science test

Created on 6th January 2025

Play

Grade level: Grade 10th grade

Play

1 plays

Questions

10 Questions

No Description

Questions (10)

1. What is the correct way to declare a variable in Java?

int x = 10;

4 choice options

2. What will be the output of the following code: 'System.out.println(Math.abs(-5));'

5

4 choice options

3. Which of the following statements correctly uses an if-else statement?

if (x > 10) { System.out.println('x is greater than 10'); }

4 choice options

4. What is the output of the following code: 'int a = 5; int b = 10; System.out.println(a + b);'

15

4 choice options

5. Which of the following is a correct way to use the Math.sqrt() function?

Math.sqrt(16);

4 choice options

6. How do you initialize a variable with a floating-point number in Java?

float myNumber = 5.75;

4 choice options

7. What will be the result of the following code: 'int x = 8; if (x % 2 == 0) { System.out.println('Even'); } else { System.out.println('Odd'); }'

Even

4 choice options

8. What does the following code snippet do? 'double result = Math.pow(2, 3);'

Calculates 2 raised to the power of 3, result is 8.

4 choice options

9. What will the following code output: 'int x = 5; x += 3; System.out.println(x);'

8

4 choice options

10. Which of the following will NOT compile in Java?

int number = 10.5;

4 choice options