MIS205 OOP Quiz 1

Which one is NOT a Java Data Type?

• int

• boolean

• double

• number

What is a correct syntax to output "Hello World" in Java?

• Console.WriteLine("Hello World");

• System.out.println("Hello World");

• print ("Hello World");

• echo("Hello World");

What is local variable?

• Variables defined inside methods, constructors or blocks are called local variables.

• Variables defined outside methods, constructors or blocks are called local variables.

• Static variables defined outside methods, constructors or blocks are called local variables.

• None of the above.

One of the main features of Java is Write Once Run Anywhere, i.e. it is platform-independent. It can run on any OS irrespective of the environment because of ...........................?

• JVM

• JRE

• JDK

• IDE

Which data type is used to create a variable that should store text in Java?

• Char

• String

• Text

• Boolean

Which method can be used to find the length of a string?

• getLength()

• len()

• getSize()

• length()

What will be the Output of the below code?

• num1 == num2
      num3 == num4

• num1 == num2
      num3 != num4

• num1 != num2
      num3 == num4

• num1 != num2
      num3 != num4

What is the output?

• true

  BAR

• false

  SAJ

• false

  KAR

• true

  MOH

What is the output?

• 20

• 30

• 40

• 0

What is the output?

• 10

• 15

• 20

• 25