Java variables

• 0

• Garbage value

• Compilation error

• Runtime error

• 0

• Garbage value

• Compilation error

• Runtime error

• The instance variables in b are given the same values as a

• The instance variables in a are given the same values as b

• a and b are considered to be the same object

• None of the mentioned options

A single class can have

• only one instance

• two instances

• any number of instances

• None of the mentioned options

Static means

• Class Level

• Object level

Main method is static because to execute main method without creating object By JVM

• Yes

• No

What is the ouput of the following code?

• x=10 x=10

• x=10 x=20

• x=30 x=30

• x=30 x=20

Given that Student is a class, how many reference variables and objects are created by the following code?

• Three reference variables and two objects are created.

• Two reference variables and two objects are created.

• One reference variable and two objects are created.

• Three reference variables and three objects are created.

Which of the following below live on the heap in java?

• class

• static

• method

• object

Predict the output.

• Compilation Error

• 20 40 10

• 20 20 10

• 20 10 10