Java -Assessment Milestone -1

Java -Assessment Milestone -1

University

65 Qs

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Java -Assessment Milestone -1

Java -Assessment Milestone -1

Assessment

Quiz

Computers

University

Practice Problem

Hard

Created by

Vijaya Kumar DTT

Used 2+ times

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65 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary difference between JDK and JRE?

JDK is for development, JRE is for running Java programs

JRE includes JVM, JDK does not

JDK is platform-independent, JRE is not

JRE is for development, JDK is for running Java programs

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is true about encapsulation in Java?

It allows direct access to class variables

It hides the internal state of an object and provides access through methods

It prevents inheritance

It is used to achieve polymorphism

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What will be the output of the following code? java public class Test { public static void main(String[] args) { String s = "Java"; s.concat(" Programming"); System.out.println(s); } }

Java Programming

Java

Null

Compilation Error

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which keyword is used to prevent a method from being overridden?

static

final

abstract

synchronized

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens if a try block does not have a catch block?

Compilation error

Runtime error

The program executes normally if no exception occurs

The program always terminates

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of encapsulation in Java?

To allow direct access to class variables

To hide the internal state of an object and provide controlled access

To enable multiple inheritance

To prevent method overriding

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which keyword is used to inherit a class in Java?

implements

extends

super

this

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