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Arrays Questions And Answers

Here you can find Arrays Questions and Answers.

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In this Arrays Questions and Answers section you can learn and practice Arrays Questions and Answers to improve your skills in order to face technical inerview conducted by organisations. By Practicing these interview questions, you can easily crack any Exams interview.

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Arrays Questions and Answers

1. Which of these operators is used to allocate memory to array variable in Java?

Arrays Questions and Answers

2. Which of these is an incorrect array declaration?

Arrays Questions and Answers

3. What will this code print? int arr[] = new int [5]; System.out.print(arr);

Arrays Questions and Answers

4. Which of these is an incorrect Statement?

Arrays Questions and Answers

5. Which of these is necessary to specify at time of array initialization?

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Arrays - Java Multiple Choice Questions and Answers

This is the java programming questions and answers section on "Java Arrays" with an explanation for various interview, competitive examination and entrance test. Solved examples with detailed answer description, explanation are given and it would be easy to understand. Here the aspirants can find the objective type Java Arrays Questions to prepare for the interviews and the competitive exams. With the help of this article, the contenders can learn the Java Arrays Questions and Answers at the time of the preparation for the tests. This Java Arrays Online Test provides a useful collection of sample Interview Questions and Multiple Choice Questions (MCQs) and their answers with suitable explanations. Aspirants can test yourself by putting you in the process of learning the Java Arrays Questions. Without any time waste, the students need to go to the below sections of this page and take part in the Java Arrays Quiz. All the competitors need to utilize this opportunity and refer to the below-provided Java Arrays Online Test.



Java Arrays Questions - Java Arrays Quiz Details

Online Test Name Java Arrays
Exam Type Multiple Choice Questions
Category Computer Science Engineering Quiz
Number of Questions 05


In this portion, we have arranged the essential points of the Arrays in Java. All the applicants can check and know the fundamentals of the Arrays in Java. By checking the Java Arrays Questions, the contenders can understand how to answer the questions at the time of the examinations. An array is a collection of the similar items. Each slot in an array can hold an object or a primitive value. Arrays can contain any element value of primitive types or objects, but we can't store different types in a single array.



Java Arrays Multiple Choice Questions

We know that many of the contenders are searching for the Java Arrays Multiple Choice Questions to prepare for the interviews. And, nowadays Java is the most trending topic and frequently asked in the interviews and the examinations. Therefore, all the competitors need to learn all the topics that are involved in the Java programming language. In this article, we have presented the Java Arrays Online Test for the sake of students. Applicants can find more online test related to all the Java topics on our web portal. The contenders need to check all the Java Arrays Questions and Answers along with the explanations from this article.

Java Arrays MCQ Quiz Answers with Solutions

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1. Which of these operators is used to allocate memory to array variable in Java?
  • A. malloc
  • B. alloc
  • C. new
  • D. new malloc
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Answer & Explanation

Answer: Option C

Explanation:

Operator new allocates block of memory specified by the size of array, and gives the reference of memory allocated to the array variable.

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2. Which of these is an incorrect array declaration?
  • A. int arr[] = new int[5]
  • B. int [] arr = new int[5]
  • C. int arr[]
    arr = new int[5]
  • D. int arr[] = int [5] new
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Answer & Explanation

Answer: Option D

Explanation:

Operator new must be succeeded by array type and array size.

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3.

What will this code print?

 int arr[] = new int [5];

 System.out.print(arr);

  • A. 0
  • B. value stored in arr[0].
  • C. 00000
  • D. Garbage value
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Answer & Explanation

Answer: Option D

Explanation:

arr is an array variable, it is pointing to array if integers. Printing arr will print garbage value. It is not same as printing arr[0].

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4. Which of these is an incorrect Statement?
  • A. It is necessary to use new operator to initialize an array.
  • B. Array can be initialized using comma separated expressions surrounded by curly braces.
  • C. Array can be initialized when they are declared.
  • D. None of the mentioned
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Answer & Explanation

Answer: Option A

Explanation:

Array can be initialized using both new and comma separated expressions surrounded by curly braces example : int arr[5] = new int[5]; and int arr[] = { 0, 1, 2, 3, 4};

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5. Which of these is necessary to specify at time of array initialization?
  • A. Row
  • B. Column
  • C. Both Row and Column
  • D. None of the mentioned
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Answer & Explanation

Answer: Option A

Explanation:

Row

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Related Topics:

  • Applets
  • Strings
  • Operators
  • Interfaces
  • Data Types
  • Packages
  • java.lang Package
  • Threads
  • Input Output Streams
  • Collections

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