Basic Java Quiz

What type of language is Java?

• Object Oriented

• Scripting

• Assembly

• Pseudocode

What is the default value of an int variable in Java?

• 0

• 1

• null

• -1

Which keyword is used to create an object in Java?

• create

• object

• new

• make

What is the correct way to declare a variable of type double in Java?

• double variableName

• boolean variableName

• String variableName

• int variableName

What is the output of the following code? int x = 5; System.out.println(x++);

• 6

• null

• 5

• 4

What is the output of the following code? String str = "Java"; System.out.println(str.length());

• 6

• 3

• 5

• 4

What is the output of the following code? System.out.println(10 > 5 && 5 < 3);

• 5

• true

• false

• 10

What is the correct way for storing WHOLE numbers in Java?

• float num = 5.0

• int num = 5;

• double num = 5.0

• string num = "5";

What is the output of z?

int x = 5;

int y = 2;

int z = x/y;

• 2.5

• 2.50

• 2

• ERROR

Which of the loops is guaranteed to execute at least once?

• for loop

• while loop

• do-while loop

• enhanced while loop