Pretest PO-1 A

In this framework, all real-world entities are represented by Classes.

• Functional Programming

• Logical Programming

• Object-Oriented Programming

• Procedural Programming

Which of the following creates an object of Main class?

• Main obj = new Main;

• Main obj = new Main();

• Main obj = new Mian();

• Main obj == new Main();

Which of the following is the complete syntax of creating a class?

• public class Main { }

• public class Main() { }

• public class Main

• public class Main()

Methods are declared within a class.

• True

• False

static void myMethod(){ }

What is the name of the method?

• static void myMethod

• void myMethod

• static myMethod

• myMethod

Which of the following statements calls a method greetings and pass a value to that method?

• greetings();

• greeting("Hello, world!");

• greetings("Hello, world!");

• greetings(Hello, world!);

What is not a Java primitive data type?

• float

• byte

• Boolean

• char

It keeps the data and the code safe from external interference.

• Polymorphism

• ArrayList

• Autoboxing

• Encapsulation