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Tag Archives: Java-Arrays

Introduction : In Java, a data structure is a way of organizing and storing data in memory. There are two types of data structures: static… Read More
Given a 2d array arr in Java, the task is to print the contents of this 2d array. Method 1: Loop method The first thing… Read More
Given an array arr[] of N elements, the task is to check whether the array have all same (identical) elements or not without using the… Read More
Given task is to read a matrix from the user. The size and number of elements of matrices are to be read from the keyboard.… Read More
The toArray() method of ArrayList is used to return an array containing all the elements in ArrayList in the correct order. Declaring toArray() method public… Read More
Given an array, the task is to write a Java program to check whether a specific element is present in this Array or not. Examples: … Read More
Given an array and a key, the task is to remove all occurrences of the specified key from the array in Java. Examples: Input: array… Read More
Given an array, the task is to reverse the given array in Java. Examples:  Input : 1, 2, 3, 4, 5 Output :5, 4, 3,… Read More
Array has length property which provides the length of the Array or Array object. It is the total space allocated in memory during the initialization… Read More
As we all know an array is a group of liked-typed variables that are referred to by a common name while on the other hand… Read More
Given a Linked List in Java, the task is to convert this LinkedList to Array. Examples: Input: LinkedList: ['G', 'e', 'e', 'k', 's'] Output: Array:… Read More
Given a Primitive Array, the task is to get a Slice of this array in Java, using start and ending index. Examples: Input: arr[] =… Read More
Given a Set of Strings, the task is to convert the Set into an Array of Strings in Java. Examples: Input: Set<String>: ["ForGeeks", "A Computer… Read More
Given a Stream of Arrays in Java, the task is to Flatten the Stream using forEach() method. Examples: Input: arr[][] = {{ 1, 2 },… Read More
As we know whenever it comes to writing over a file, write() method of the File class comes into play but here we can not… Read More