Java Variables 1.1 to 1.4 Review

Which of the following is NOT a primitive data type in java?

• int

• boolean

• number

• double

You want to know if a user has a sibling. What type of variable should you create?

• int

• double

• string

• boolean

What is the correct way of defining a String variable?

• String name = "John";

• String name = "John"

• String name = John;

• String name "John";

int x = 5;

int y = 6

int z = 50;

System.out.println(x + y + z);

What will be the output?

• 61

• 5650

• 66

• x + y + z

Which of the following is the right way of defining char variable?

• char myGrade = 'B';

• char myGrade = "B";

• char myGrade 'B';

• char myGrade = "B"

int sum1 = 100 + 50;

int sum2 = sum1 + 250;

int sum3 = sum2 + sum2;

System.out.println(sum3);

What will be the final output?

• 950

• 800

• sum2sum2

• sum1250

int x = 10;

x = x + 5;

System.out.println(x);

What will be the output?

• 15

• 5

• 55

• x5

x /= 3

Which of the below statements matches with above statement?

• x = 3 / x

• x = x / 3

• x / 3

• x /x = 3

Which one of the following equals 4?

• 10 % 7

• 4 % 3

• 8 % 4

• 4 % 9

You want to know how many acorn trees are on the farm land. What type of variable should you create?

• int

• double

• string

• boolean