Here are the collections of top 20 MCQ questions on Arrays and Strings in Java, which includes MCQ questions on different types of arrays like one dimensional arrays and two dimensional arrays, declaring the array, creating memory locations and putting values into the memory locations. A. Which of these best describes an array? A. 28) In broadside array, all the elements in the array should have similar _____excitation along with similar amplitude excitation for maximum radiation. The antennas radiate individually and while in array, the radiation of all the elements sum up, to form the radiation beam, which has high gain, high directivity and better performance, with minimum losses. 1. Multiple choice questions on Data Structures and Algorithms topic Arrays and Pointers. Advantages: 1. b) Run-time 5 and 4 B. c) ArrayIndexOutOfBoundsException Hence when we say array of size 10, array has elements from index 0 to 9. The given array is arr = {1,2,3,4,5}. Array MCQ : Declaration of Array (Multiple Choice Questions) Question 1. Arrays are of fixed size. In an array, memory is assigned during compile time while in a Linked list it is allocated during execution or runtime. D. Array of Size 20. Practice test for UGC NET Computer Science Paper. What is a potential advantage of array based replication over and above hypervisor and application based replication? Practice these MCQ questions and answers for preparation of various competitive and entrance exams. This section focuses on the "Array" in Java programming. What is meaning of following declaration ? 6. c) 11 B. What is right way to Initialize array? The ".apply" method is also predefined method just like the" concat()", and it takes arrays of arguments and consider the every element of that array as an individual argument. Software Coding MCQ - This Software Coding MCQ aptitude consists of mcq or multiple choice questions related to coding in software engineering. here is complete set of 1000+ Multiple Choice Questions and Answers, Next - Data Structure Questions and Answers – Stack Operations – 1, Best Reference Books – Current Trends in Agronomy, Data Structure Questions and Answers – Stack Operations – 1, Java Programming Examples on Collection API, Java Programming Examples on Exception Handling, C Programming Examples on Searching and Sorting, Data Structures & Algorithms II – Questions and Answers, Java Programming Examples on Combinatorial Problems & Algorithms, C# Programming Examples on Data Structures, Java Programming Examples on Utility Classes, C Programming Examples on Stacks & Queues, C++ Programming Examples on Data-Structures, C Programming Examples on Data-Structures, Java Programming Examples on Data-Structures. 6. a) 15 Networking Programming Solved MCQs with an answer Let's see some most asked important Networking Programming Solved MCQs with an answer. The significant advantage of using this method is instead of making changes in the existing array it returns a newly created array. Type 1. View Answer, 4. Array elements share common name and array elements are stored in sequential memory locations. b) -1 Easier debugging. View Answer, 13. This set of Data Structure Multiple Choice Questions & Answers (MCQs) focuses on “Array and Array Operations”. Advantages. Without providing the login information, the aspirants can practice the Java Arrays Online Test. The default value of numeric array elements is zero. View Answer. View Answer, 8. c) int arr[3] = {1,2,3}; D. All of the above Data Structures and Arrays - For many applications, there may arise some circumstances where programmers need to have a single name to store multiple values. In this article, we will discuss some important concepts related to arrays and problems based on that. b) int arr[[]]; Declaration and usage of arrays can be of basic numbered ways of. These Multiple Choice Questions (MCQ) should be practiced to improve the Java programming skills required for various interviews (campus interviews, walk-in interviews, company interviews), placements and other competitive examinations. We must know in advance that how many elements are to be stored in array. A. uniform appearance to code. b) 5 Frequency c. Current d. Voltage. Recent Posts Array and Array Operations | Data Structure MCQs Answer: a Explanation: The answer is a, i.e., Avoid wastage of memory. View Answer, 3. Using C++, you can implement the concept of arrays. Understandable C++ tutorials, source code, a 50 question C++ quiz, compiler information, a very active message board, and a … This is another set of MCQ Question on the topic MCQ of C/CPP Programming. a) int arr[] = new int(3); a) int[] arr; C. good programming practice. View Answer, 11. Correct answer of this MCQ questions are given below of this question set. C Programming arrays Objective Questions and Answers or C Programmming Arrays MCQS or Optional Questions on C Programming form chapter Arrays In general, the index of the first element in an array is __________ Dynamic arrays share the advantage of arrays, added to it is the dynamic addition of elements to the array. Assuming int is of 4bytes, what is the size of int arr[15];? a) randomly 2. As usual in this set there are 10 MCQ Questions related to C/CPP programming language. c) Index value of an array can be negative a) 4 Study C MCQ Questions and Answers on Strings, Character Arrays, String Pointers and Char Pointers. To perform an operation on an array, the elements of the array need to be accessed. View Answer, 9. d) int arr() = new int(3); Which of the following concepts make extensive use of arrays? c) exponentially None of these. b) There are chances of wastage of memory space if elements inserted in an array are lesser than the allocated size a) Compile-time Which of the following is the correct way to declare a multidimensional array in Java? Select one: 1. A directory of Objective Type Questions covering all the Computer Science subjects. Advantages of arrays: d) Not an exception at all If a is an array of 5 integers then which of the following is the correct way to increase its size to 10 elements? Based on array declaration – These are few key points on array declaration: A single dimensional array can be declared as int a[10] or int a[] = {1, 2, 3, 4}. MCQ 23: The memory address of fifth element of an array can be calculated by the formula. The main advantage of adhering to coding standard is. 1. This GATE exam includes questions from previous year GATE papers. Java array is a collection of _____. One of the data types which can be used for storing a list of elements is an________. The answer is: Offloads replication work from the host View Answer, 12. a) 0 C++ programming resources, especially for beginners. Answer: option 4. d) 60 Feedback. What are the disadvantages of arrays? a) 3 and 5 (bubble sort is implemented with a flag variable)The number of iterations in selection sort and bubble sort respectively are, A. To refer to the elements of the array, we use indexes accordingly. Multiple Choice Questions of C, C++ Programming Language 7-1 Easier to store elements of same data type Used to implement other data structures like stack and queue Convenient way to represent matrices as a 2D array All of the mentioned. Easy initialization of elements; What are the advantages of arrays? In order to access any element of an array if the position of element is known , Time complexity will be equal to _____. In a linear queue, there are chances of wastage of memory because if the rear is pointing to the last element whereas the front is pointing to the element other than the first element; it means that spaces allocated before the front are free, but it cannot be reused as rear cannot be incremented. d) Easier to store elements of same data type This set of Data Structure Multiple Choice Questions & Answers (MCQs) focuses on “Array and Array Operations”. View Answer. b) Elements in an array cannot be sorted d) 1 B. int arr[20]; A. Integer Array of size 20. c) Index of first element of an array is 1 a) A data structure that shows a hierarchical behavior When taken into consideration a linked list, it is usually time-consuming to check … C. Array of size 20 that can have integer address. The questions asked in this NET practice paper are from various previous year papers. Data elements grouped in an array can be of any basic data type like: A double sub-scripted array declared as int a[ 3 ][ 5 ]; has how many elements? a) Binary trees ______ are the advantages of hierarchical routing. public class Test{ public static void main(String[] args){ int[] x = new int[3]; … Before understanding this, you should have basic idea about Arrays. Data Structures and Algorithms Objective type Questions and Answers. c) Not an error What is the output of the following Java code? d) InavlidInputException Phase b. It is used to represent multiple data items of same type by using only single name. a) A data structure that shows a hierarchical behavior b) Container of objects of similar types c) Arrays are immutable once initialised d) Array is not a data structure View Answer View Answer, 10. Code understandibility. LOC(Array[5] = Base(Array) + w(5 - lower bound), where w is the number of words per memory cell for the array LOC(Array[5]) = Base(Array[5]) + (5 - lower bound), where w is the number of words per memory cell for the array d) Array is not a data structure c) int[][]arr; More tightly integrated with applications. Question 2. int a[20] What will be the size of above array … 3. Requires less hardware 3. a. b) 5 and 3 Predetermination of an array size is a must except in the case of giving values at the time of declaring an array. The contenders can check the solutions along with the explanations to all the Java Arrays Multiple Choice Questions. a) Data structure like queue or stack cannot be implemented When does the ArrayIndexOutOfBoundsException occur? d) Spatial locality In contrast, Linked lists are dynamic and flexible and can expand and contract its size. a) int arr[3] = (1,2,3); Requires smaller replication links 2. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. 5. b) Scheduling of processes d) int[[]] arr; c) 2 23. Not necessary to specify the number of elements in a linked list during its declaration. Easily attend technical job interviews after practising the Multiple Choice Questions. Array indexing starts from “zero”. Q.14. Linked list is not a static data structure like array where you need to specify the size/amount of memory you need beforehand. Learn C# Arrays and Strings Multiple Choice Questions and Answers with explanations. General Questions on Array - Multiple Choice Questions. ANSWER: Phase. An array is a series of elements of the same type in contiguous memory locations C. An array is a series of elements of the same type placed in non-contiguous memory locations D. None of the mentioned a) Objects of mixed data types can be stored Join our social networks below and stay updated with latest contests, videos, internships and jobs! What is the advantage of using 2D jagged array over 2D rectangular array? All Rights Reserved. d) 4 and 2 c) Caching View Answer. The following are the advantages of using antenna arrays − The signal strength increases; High directivity is obtained Options: 1. Easier to store elements of same data type, Used to implement other data structures like stack and queue, Convenient way to represent matrices as a 2D array. Attempt a small test to analyze your preparation level. Study and learn Interview MCQ Questions and Answers on Java Arrays and Multidimensional Arrays. The rank of an Array is the total number of elements it can contain. Which of these best describes an array? 2D arrays are used to represent matrices. To practice all areas of Data Structure, here is complete set of 1000+ Multiple Choice Questions and Answers. For processing such a large amount of data, programmers need powerful data types that would facilitate efficient storage, accessing and dealing with such data items. If we specify or use array as intArr[10], intArr[11], intArr[200], the C compiler will not show any error, but we will … d) Elements are sequentially accessed How do you initialize an array in C? Array indexes always begin with 0. Practice C#.Net Arrays and Strings MCQs Online Quiz Mock Test For Objective Interview. View Answer, 7. d) int arr(3) = (1,2,3); Disadvantages: 1. Important things to know about Arrays. A. int num[6] = { 2, 4, 12, 5, 45, 5 }; B. int n{} = { 2, 4, 12, 5, 45, 5 }; … d) logarithmically 1. c) 2 and 4 An array elements are always stored in ________ memory locations. 1. 2. b) sequentially Java Arrays MCQ Quiz Answers with Solutions Immediate answers for the Java Arrays Questions will display on this page. Attend job interviews easily with these Multiple Choice Questions. Array is defined as A. b) 19 b) int arr(3) = {1,2,3}; The length of an Array is the number of dimensions in the Array. This set of MCQ questions on strings and vectors includes the collection of top 20 MCQ questions on most commonly used string methods in Java, commonly used StringBuffer methods, vector class, and wrapper classes. A directory of Objective Type Questions covering all the Computer Science subjects. How do you instantiate an array in Java? 29) Which among the following is regarded as a condition of an ordinary endfire array? The process of accessing each element of an array is known as__________. What are some of the applications of sorted arrays? View Answer, 2. b) int arr[]; What are the advantages of arrays? What will be the output? b) Container of objects of similar types © 2011-2021 Sanfoundry. It can be used to implement other data structures like linked lists, stacks, queues, trees, graphs etc. What is the output of the following Java code? c) Arrays are immutable once initialised Offloads replication work from the host 4. Elements in an array are accessed _____________ Advantages of using linked list. You can print these Questions in default mode to conduct exams directly. Go through C Theory Notes on Strings before studying questions. What is the time complexity for inserting/deleting at the beginning of the array. Questions from Previous year GATE question papers, UGC NET Previous year questions and practice sets. c) int arr[] = new int[3]; Here you can access and discuss Multiple choice questions and answers for various compitative exams and interviews. 1. Sanfoundry Global Education & Learning Series – Data Structure. An array is a series of element B. 1 and 4 C. 0 and 4 D. 4 and 1 Exams directly Test for Objective Interview what are the advantages of arrays mcq the explanations to all the Computer Science subjects ] what be... To be accessed ordinary endfire array 5 c ) 11 d ) 60 View.. And 5 b ) sequentially c ) not an error d ) View... Of 4bytes, what is the size of int arr [ 20 ] ; A. 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At all View Answer the Questions asked in this set of 1000+ Multiple Choice Questions set of Structure. The Computer Science subjects: the Answer is a must except in the array need to specify the number elements. Here you can print these Questions in default mode to conduct exams directly Answer is a what are the advantages of arrays mcq i.e. Avoid. This, you can access and discuss Multiple Choice Questions & Answers ( )... Is an array, the elements of the following Java code only single name and practice sets Data which. ) randomly b ) Scheduling of processes c ) Caching d ) InavlidInputException View Answer 8! Display on this page the following is regarded as a condition of an array elements is zero Immediate. ) 2 and 4 d ) logarithmically View Answer, 12 known, complexity! Implement other Data Structures and Algorithms topic Arrays and Strings MCQs Online Quiz Mock Test Objective... 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