Java-1

Which of the following is not a principle of Object-Oriented Programming?

• Encapsulation
  

• Inheritance
  

• Compilation
  

• Polymorphism

Which concept allows you to create multiple functions with the same name but different parameters?

• Encapsulation
  

• Inheritance
  

• Method Overloading
  

• Abstraction

Which OOP concept is used for implementing runtime polymorphism?

• Method Overloading
  

• Method Overriding
  

• Abstraction
  

• Inheritance

Which of these components is mandatory in every Java application?

• Class declaration
  

• import statement
  

• Interface declaration
  

• Package declaration

Which of the following is not a Java token?

• Keywords
  

• Identifiers
  

• Variables
  

• Literals

What does the term ‘literal’ refer to in Java?

• Variables
  

• Keywords
  

• Constant values used directly in the program
  

• Data types

How are command line arguments passed in Java?

• As a list of integers
  

• Through standard input
  

• As an array of Strings
  

• As environment variables

Which of the following is the correct way to declare a variable in Java?

• int number = 10;
  

• integer number = 10;
  

• num int = 10;
  

• var int = 10;

Which keyword is used to define a constant variable in Java?

• const
  

• final
  

• static
  

• constant

Which of the following is a legal variable declaration in Java?

• float rate = 5.5f;
  

• float rate = 5.5;
  

• float rate = "5.5";
  

• float = rate 5.5;