Java program to reverse string using recursive methods. Write a Java program to Reverse String using Recursive Methods. We should not use any string reverse methods to perform this task. Java Program to Reverse a String using Recursive Methods Output Given Strring : Rainy Season Reversed String : nosaeS yniaR
Write a program to reverse a number This article will help you to understand “Java Program to reverse number” We need to write a program to reverse a number using numeric operations. We can also reverse it using string operations as used in Palindrome Example Java Program to reverse number Output Reversed Number : 987654321 Reversed […]
Write a Program with Singleton Class Example This article will help you to understand Singleton Class Example. Purpose of the Singleton class is to restrict object creation to only one object of the given class. We can create a singleton class by making its constructor as private, so that we can restrict the creation of […]
Find 5 Most Frequent Phrases from a given file This article will help you to understand “Find 5 most frequent phrases in java.” Given a file has 8 phrases per line separated by a pipe (|). Assume that the phrases do not contain pipe. Example line look like: Foobar Candy | Olympics 2012 | Software […]
Write a Program to find duplicate number between 1 to N Numbers This article will help you to understand “Java Program to find duplicate number.” Here we have an array from 1 to N with one duplicate number. e.g we have array from 1 to 10 and 2 is repeated once in this array. Then […]
Write a Program to find K-complementary pairs in a given array of integers This article will help you to understand “Java Program to find k-Complementary Pairs.” If Arr is Given Array, then pair (i, j) is K-complementary if K = Arr[i] + Arr[j]; Java Program to find k-Complementary Pairs Output K-Complementary Pair :- (2 , […]
Check if Given number is Armstrong Number or not in Java This article will help you to understand “Java Program Of Armstrong Number.” Armstrong numbers (also known as narcissistic number) are the sum of their own digits to the power of the number of digits. e.g. for 371. Number of digits = 3, So 33 + […]
Check whether given String is Palindrome or not in Java This article will help you to understand Java Program to Check Palindrome. Palindrome is a String or numeric value which remains same after reversing it. e.g. 12321, 345543, KANAK, MADAM etc. We can check if given string is palindrome or not by reverse it and […]
Program to print Factorial in java. This article will help you to understand “Java Program to Print Factorial.” Factorials are just products, indicated by an exclamation mark. For instance, “five factorial” is written as “5!” and means 5*4*3*2*1 = 120. In general, n! (“enn factorial”) means the product of all the whole numbers from 1 […]
Print Prime numbers up to given number. This article will help you to understand “Java Program Of Prime Numbers.” A prime number (or a prime) is a natural number greater than 1 that has no positive divisors other than 1 and itself. A natural number greater than 1 that is not a prime number is […]