This is a tutorial on how to write a java program to display the second largest element in an array. Find the second-largest element in an array: In the below program, we take the user input for How many elements …
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Counting words in java using HashMap: This program demonstrates the use of HashMap in java to count the number of words.First, we take the string from user input using Scanner class and store it in a string “str“. After then, …
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This post shows how to find a square root of a number in java. We will learn two methods to find the square root one by an in-built math method called Math.sqrt() and the other by using do-while loop.let’s begin. …
White Space removal program in java:In this post, we will learn how to remove white spaces from a string in java. We will learn the two ways to remove white spaces in java. First by using in-built methods called replaceAll() …
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We write a program to find duplicate characters in a string in java. For example, consider a string “nut cutter“, duplicate characters in it are : u: 2, t : 3. Program Approach: First, we created a string variable and …
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In this tutorial, we will learn to write a Java program to remove duplicates from an ArrayList, we will learn to remove duplicate elements by various approaches. ArrayList is a collection type used mostly in java. It is the list …
This article on Anagram Program in java is to check for the two strings for Anagrams.Let start by understanding What is Anagram? What is Anagram? Two strings are said to be in an anagram if they contain the same set …
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What is a palindrome number? A number is said to be a Palindrome number if it remains the same when its digits are reversed or are the same as forward. It is also applied to the word, phrase, or other …
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Palindrome: A string is said to be in a Palindrome if it remains the same when its elements are reversed or are the same as forward. For example: 14141, 777, 272 are palindrome numbers as they remain the same even …
In this tutorial on Java Program to check whether the number is Palindrome or not, we will learn what is palindrome number is and its programming implementation with an explanation. What is a palindrome number? A number is said to …
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