This is the Java Program to Remove Characters that belong to a Mask String from the Input String Problem Description Given a string of characters and a mask string remove all the characters of the mask string from the first string. Example: String x = “We belong to Russia” Mask = “Wbos” Output = “e … Read more
This is the Java Program to Find the First non-repeated Character in a String Problem Description Given a string of characters, find the first non-repeated character in the string. Example: String x = “Hi this is Marry” Output = ‘H’ Problem Solution Make two new arrays to store the frequency of each character and the … Read more
This is the Java Program to Print the Longest Sub-Array that is decreasing. Problem Description Given an array of integers, find the longest contiguous subarray whose elements are decreasing, that is, the elements following the preceding elements in the subarray must be smaller than them. Example: Array = [5, 6, 3, 0, 7, 8, 9, … Read more
This is the Java Program to Find the Row with the Maximum Number of 1’s in a Sorted Matrix. Problem Description Given a boolean matrix of 0’s and 1’s, where each row is sorted, print the row first with the maximum number of 1’s. Example: Matrix: 0 0 1 1 0 0 1 1 0 … Read more
This is the Java Program to Find the Largest and Smallest Word Problem Description Given a string of characters, find the largest and the smallest word if two or more words are the largest or smallest then display the one that occurs first in the string. Example: String x = “We belong to Russia” Output … Read more
This is the Java Program to Print Pairs of Elements that have the Given Difference. Problem Description Given an array of n integers and a value, say m. Find out the pairs of elements from the array, whose difference is value m. Example: Array = [ 1, 2, 4, 5, 8, 10, 11] m = … Read more
This is the Java Program to Find Two Elements whose Sum is Equal to a Given Number. Problem Description Given an array of n integers and a value, say m. Find out the pairs of elements from the array, whose sum values m. Example: Array = [ 1, 2, 4, 5, 8, 10, 11] m … Read more
This is the Java Program to Merge Two Arrays in Order. Problem Description Given two arrays of integers, merge them into a single sorted array in order. Example: Array1: [1,2,3,4,5] Array2: [2,3,6,7,8] Output: Array = [1,2,2,3,3,4,5,6,7,8] Problem Solution Create a new array of size equal to the sum of the sizes of the two arrays. … Read more
This is the Java program to print all the leaders in an array. Problem Description Given an array of integers, find and print all the leaders of the array. A leader is defined as an element of the array which is greater than all the elements following it. The rightmost element is always a leader. … Read more
This is the Java Program to Split an Array and Concatenate First Part to the End. Problem Description Given an array of integers, and a value n, denoting the number of parts in which array is to be splitted. Concatenate the first part of the array to the end. Example: Array1: [1,2,3,4,5] n = 3 … Read more
