Classes, Objects, and Methods

In the statement  int x; What is int ?

• a variable
• a data type
• a class
• an object

In the statement  int x; What is x ?

• a variable
• a data type
• a class
• an object

In the statement 
Bank tom = new Bank(5000.0);
Which is the object?

• Bank
• tom
• new
• 5000.0

_________________ represents the behaviour of the class

• class

• objects

• methods

• all of them

Which of the following is an accessor method?

• public void getName()

• public void setName()

• public String getName()

• public String setName()

Which of the following is Not a return type?

• String

• void

• int

• private

Reserved words cannot be used as identifiers in Java.

• true

• false

What is the output of the following Java statement?

System.out.println("4 + 6");

• 10
• 46
• 4
• 4 + 6

What is a setter?

• It is used to find the value of a member variable
  
• It is used to initialise a member variable only
• It is a method used to set or change a member variable.
• It is used to change a method.

What happens if a variable or method is made private?

• It can be accessed by any class inherited from the current class
• It can be accessed from another object unrelated to the current one.
• It cannot be accessed by an unrelated object from the outside.
• It cannot be accessed by anything