Arrays in JAVA LEC-11 In Hindi/Urdu

JAVA PROGRAMMING LECTURE N0-11 Array in JAVA: Arrays:- An array is a group of contiguous or related data items that share a common name. For example, salary[10] represents the salary of 10th employee. One-dimensional array A list of items can be given one variable name using only one subscript and such a variable is called a single- subscripted variable or a one-dimensional array. For ex, int number[] = new int[5]; What is a array in Java? Java Arrays. Normally, an array is a collection of similar type of elements which has contiguous memory location. Java array is an object which contains elements of a similar data type. ... Array in Java is index-based, the first element of the array is stored at the 0th index, 2nd element is stored on 1st index and so on. What is an array and its types in Java? There are two types of arrays in Java they are − Single dimensional array − A single dimensional array of Java is a normal array where, the array contains sequential elements (of same type) − int[] myArray = {10, 20, 30, 40} What is array with example? An array is a data structure that contains a group of elements. ... For example, a search engine may use an array to store Web pages found in a search performed by the user. When displaying the results, the program will output one element of the array at a time. Why do we need array in Java? The primary reason for the existence of arrays is the fact that they enable multiple elements and values to be stored under a single name. Different variables do not need to be created for the storage of different values, and they can be stored in different indices of the same object. What are the array methods in Java? Methods in Java Array Class Methods Action Performed binarySearch() Searches for the specified element in the array with the help of the Binary Search Algorithm binarySearch(array, fromIndex, toIndex, key, Comparator) Searches a range of the specified array for the specified object using the Binary Search Algorithm What is the arrays class in Java? The 'Arrays' class is a member of the 'java. util' package. This is a part of the Java Collections framework and provides methods to create, access and manipulate Java arrays dynamically. All the methods provided by the Arrays class are static in nature and are methods of the 'Object' class. What are the limitations of array? Limitations An array which is formed will be homogeneous. ... While declaring an array, passing size of an array is compulsory, and the size must be a constant. ... Shifting is required for insertion or deletion of elements in an array. What are the disadvantages of array? Disadvantages of arrays: The number of elements to be stored in arrays should be known beforehand. An array is static. Insertion and deletion is quite difficult in an array. Allocating more memory than required leads to wastage of memory. Please subscribe my channel for getting video related to information technology. https://www.youtube.com/channel/UCbSg... Follow on Facebook: https://www.facebook.com/KIET-PATNA-1... Follow on Instagram:https://www.instagram.com/nasim.raja.10/ Download KIET PATNA App. Patna's Top IT training Institute!! https://play.google.com/store/apps/details?id=com.khadijah.kietpatna https://www.youtube.com/channel/UCbSgLR_4xKZAl8gd12sKRbg #kietpatna #KhadijahInstituteOfEducationalTechnology #SoftwareTrainingInstitutePatna

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