AP Computer Science-Quiz 2(G10)

1. In Java, which keyword is used to declare an integer variable?

 

• int

• double

• char

• boolean

2. What is the output of the following code snippet?

             int num = 10;

             num = num + 5;

             System.out.println(num);

• 5

• 10

• 15

• 20

3. 3. Primitive data types in Java include int, double, char, and boolean.

• True

• False

4. 4. Which operator is used to compare if two values are not equal in Java?

• ==

• !=

• >

•  <

5. 5. What is the correct syntax for an if statement in Java?

• `if condition { }`

• `if (condition) { }`

• `if (condition); { }`

• `if {condition} ( )`

6. Which of the following is a logical operator in Java?

• &&

• !=

• ==

• >

7. An if-else statement can be used to execute one block of code if a condition is true and another block of code if the condition is false.

• True

• False

8. 8. The logical OR operator (||) returns true if either or both conditions are true.

• True

• False

9. 9. The `!=` operator is used to check if two values are equal.

• True

• False

10. 10. What is the output of the following code snippet?

                 int x = 5;

                 int y = 2;

                 System.out.println(x % y);

• 2

• 1

• 2.5

• 0.5