Java Certification Mock Test

Test your Java programming knowledge with this Java Certification Mock Test designed for interview preparation, placement assessments, and certification exams. The quiz contains carefully selected multiple-choice questions covering important Core Java concepts frequently asked in technical evaluations.

The questions included in this mock test are similar in style to those found in Java certification exams and technical interviews. Attempt the quiz to evaluate your current skill level, identify weak areas, and improve your readiness for real-world Java assessments.

What is a Java Certification Mock Test?

A Java Certification Mock Test is a practice assessment designed to simulate the experience of a real Java certification exam. These tests help learners evaluate their understanding of Java programming concepts and identify areas that require further study.

Mock tests are widely used by students, software developers, and job seekers because they provide practical exposure to exam-style questions. Regular practice improves accuracy, confidence, and problem-solving skills while preparing candidates for technical interviews and certification exams.

Topics Covered in This Java Mock Test



Mock test For Certification in JAVA Programming

The test consists of 14 questions on Java.

No negative marking for this test.

No Time limit

The pass percentage is 70%

The correct answer with a description will be displayed after the answer has been marked.

Submit the test to calculate your score once you are done with all the questions.

Complexity Level- Moderate







Q1. Given the following class, which statement CANNOT be inserted at position 1

class abcd{

int a;
int b=0;
static int c;

public void m() {
int d;
int e=0;
//position 1
}
}
















Q2: What is wrong with the following code?

class abcd extends Exception{}

public class pqrs{

public void func1() {
try {
func2();
}
finally {
func3();
}
catch(abcd exp) {
}
}

public void func2() throws abcd{
throw new abcd();
}

public void func3() throws RuntimeException{
throw new RuntimeException();
}
}
















Q3. What will be written to the standard output when the following program is run?

class testClass{

public static void main(String[] args) {
String str ="restructure";
System.out.println(str.substring(2, 3));
}
}

















Q4: Which statements are true about the effect of the >> and >>> operators?

Select all that applies:























Q5: Which declarations of the main() method are valid in order to start the execution of an application?

Select all that applies:























Q6. What will be the output when the following program is run?

class testClass{

public static void main(String[] args) {
for(int i=12;i>0;i-=3)
System.out.println(i);
System.out.println("");
}

}














Q7: What will be the result of attempting to compile and run the following code?

class testClass{

static int a;
int b;

public testClass() {
int c;
c=a;
a++;
b+=c;
System.out.println("c="+c +"a="+a +"b="+b);
}

public static void main(String[] args) {
new testClass();
}
}

Select the correct answer:














Q8. Which declarations of a native method are valid in the declaration of the following class?

class testClass{

// insert declaration of a native method here

}

Select All that applies:




















Q9: Which collection implementation is suitable for maintaining an ordered sequence of object, when objects are frequently inserted and removed from the middle of the sequence?

Select the correct answer:



















Q10: Which statements can be inserted at the indicated position in the following code to make the program print 1 on the console output when executed?

class testClass{

int a=1;
int b=1;
int c=1;

class innerClassTest{

int a=2;
int get() {
int c=3;

// insert statement here
return c;

}
}
testClass(){

innerClassTest i = new innerClassTest();
System.out.println(i.get());
}

public static void main(String[] args) {
new testClass();
}

}



















Q11. Select the correct method declaration that enforces the below given condition-

A method within a class is only accessible by classes that are defined within the same package as the class of the method.


















Q12. Given two collection objects referenced by obj1 and obj2, which statements are true?


















Q13. Select All the valid statements about the following code:

class testClass{

public testClass() {
}

public testClass(int i) {
this();
}
}

class testClass2 extends testClass{

public boolean testClass2(String msg) {

return false;
}
}

class testClass3 extends testClass2{

private testClass3() {
super();
}

public testClass3(String msg) {
this();
}

public testClass3(int i) {
}
}





















Q14. Select the valid statements about casting and conversion:

































Benefits of Practicing Java Mock Tests

Java mock tests help learners measure their progress and become familiar with the types of questions commonly asked in certification exams and technical interviews. They also improve time management skills and help candidates build confidence before appearing for real assessments.

By regularly attempting Java MCQ quizzes and mock exams, programmers can strengthen their understanding of core concepts, identify knowledge gaps, and improve overall performance in interviews, placement tests, and certification programs.