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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Generating Random numbers in java is quite easy as it provides various classes to do that. It comes handy when needed to apply on any kind of application development that might require random number generation. Let start by knowing random …
In this post, we will learn to determine the Binary number in java. Let start by knowing the Binary number and then see the example with an explanation. What is a Binary Number? A binary number is a number expressed in the base-2 numeral system …
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Reverse a sentence word by word in java: Reversing a string in java in easy. Here we reverse the sentence of words from back to front rather than reversing each word.Example: Let us consider a string “I am a code” …
Find the second-largest element in an array: In the below program, we take the user input for How many elements does a user wants in an array and what are the elements with the help of Scanner class. And then …
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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 in-built math method called Math.sqrt() and the other by using do-while loop.let’s begin. Program …
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. Approach:First, we created a string variable and take the …
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In this article on Java program to remove duplicates from an ArrayList, we will learn to remove duplicate elements by various approaches.Let’s begin. ArrayList is a collection type used mostly in java. It is the list interface from Java’s collection …
In this another java tutorial lesson on Java alphabetical sort, we will learn how to sort strings in an order of alphabets.Let’s begin. Program explanation for arranging string in alphabetic order in java: First we will take the user input …
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