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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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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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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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, we will write a program to reverse a string in Java. It means displaying the string from backward. Consider the string reverse, we write a java program in various ways to reverse it and it will be …
This post shows, How to remove all vowels from a string in java? with the help of replaceAll() method. Remove vowels from a string in java: Explanation:Removing vowels in java is easy, we will take the user input with the …
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