10th Grade Core Java Quizzes, Questions & Answers

Spark curiosity and test your child’s 10th grade Core Java knowledge with our engaging quizzes! Perfect for practice at home or in the classroom—encourage learning through play and exploration.

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Core Java Full Mock Test1

Questions: 35 | Attempts: 136 | Last updated: Apr 23, 2024

Sample Question
Which statement is true?

A class's finalize() method CANNOT be invoked explicitly.

Super.finalize() is called implicitly by any overriding finalize() method.

The finalize() method for a given object is called no more than once by the garbage collector.

The order in which finalize() is called on two objects is based on the order in which the two objects became finalizable.

Core Java Test 6

Questions: 40 | Attempts: 257 | Last updated: Mar 21, 2023

Sample Question
What happens when this code is compiled and executed? String name = null; File file = new File("/folder", name); System.out.print(file.exists());

A.It prints “true”.

B.It prints “false”.

C.NullPointerException at second line.

D.NullPointerException at third line.

Core Java Mock Test-3

INTRODUCTION TO OOPS INTRODUCTION TO JAVA AND SDE LANGUAGE FUNDAMENTALS AND OPERATORS

Questions: 45 | Attempts: 680 | Last updated: Sep 5, 2023

Sample Question
Consider the following code: 1. class Test { 2. public static void main(String args[]) { 3. double d = 12.3; 4. Dec dec = new Dec(); 5. dec.dec(d); 6. System.out.println(d); 7. } 8. } 9. class Dec{ 10. public void dec(double d) { d = d - 2.0d; } 11. } Which of the following gives the correct value printed at line 6?

Prints: 12.3

Prints: -2.0

Prints: 10.3

Prints: 0.0

Core Java MCQ Basics Questions

Are you looking for ways to advance your Java MCQ knowledge? The quiz below is set and designed not only to test your Java MCQ knowledge but to also advance it. All the best and enjoy learning.

Questions: 25 | Attempts: 600 | Last updated: Mar 22, 2023

Sample Question
What all gets printed when the following gets compiled and run? public class test { public static void main(String args[]) { int i=1, j=1; try { i++; j--; if(i/j > 1) i++; } catch(ArithmeticException e) { System.out.println(0); } catch(ArrayIndexOutOfBoundsException e) { System.out.println(1); } catch(Exception e) { System.out.println(2); } finally { System.out.println(3); } System.out.println(4); } } here

0 2 3 4

3 4

0 3 4

0 3

Choose Correct Answer Core Java

Pls do the correction if the answer is wrong in core java.

Questions: 25 | Attempts: 701 | Last updated: Mar 22, 2023

Sample Question
Which of the following may override a method whose signature is void xyz (float f)?1.void xyz(float f)2.public void xyz(float f3,private void xyz(float f)

1, 2

2, 3

3

1,3

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Basics Of Core Java

Basics of Core Java

Simple Quiz based on basics of Core Java covering almost all important aspects of programming language.Make sure to come out with flying colors.Passing: 80%Time: 30 Minuteswww.java-interviewer.blogspot.com

Questions: 50 | Attempts: 219 | Last updated: Mar 22, 2023

Sample Question
You would use Java because?

It is platform independant

It follows OOPs

It is Open Source

Evaluate Your Knowledge Of Core Java

evaluate your knowledge of Core Java

Questions: 5 | Attempts: 322 | Last updated: Oct 4, 2024

Sample Question
Which is the correct way to declare and store a character value to a variable?

Char ch="A"

Char ch='A'

Char [] ch='A'

Char []ch="A"

Java Core Mock Test-3

java core mock test-3

Access Specifers, Constructors and method

Questions: 35 | Attempts: 140 | Last updated: Aug 6, 2024

Sample Question
Which access modifier have almost identical behaviour as that of default.?

Protected

Public

Private

Both public and protected

Core Java Hardest Test: Trivia Quiz!

Do you know the core Java language? Java is a classed based language that was made to have minimum implementation dependencies. It is a general-purpose programming language that allows application developers to run anywhere....

Questions: 40 | Attempts: 145 | Last updated: Mar 21, 2023

Sample Question
Choose the possible constructor arguments of the Float wrapper class.

Float

Double

String

Int

Byte

10th Grade Core Java Quizzes, Questions & Answers

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