This article shows you how to find the string length without using length() method of String class. The String is a sequence of characters. Strings are widely used in Java programming. Here, we use the toCharArray() method of the String class and for-each loop for length calculation. The java string toCharArray() method converts a string into …
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In this blog post, you will see how to Find the sum of digits in a string using Java. A string can have any characters. Here we will find the digit characters in a given string and calculate their sum. Procedure to calculate the sum of digits in a String: Let’s see a few examples …
In this post, you will see how to Read a Matrix from the user in Java. Generally, a Matrix is a 2D array. The 2D array is organized as matrices which can be represented as a collection of rows and columns. Here we are going to read a 3×3 size Matrix using java.lang.Scanner class. Example-1. Create Matrix With User …
This blog post will show you how to Print a Matrix or 2D Array using a Java program. There are different ways to Print a 2D array, let’s see a few examples for it below: Example-1. Print Matrix or 2D Array using for loop in Java OUTPUT: 1 23 45 6 Example-2. Print Matrix using …
In this article, you will see how to count the number of vowels in a string using Java. A vowel is a sound such as the ones represented in writing by the letters ‘a‘, ‘e‘, ‘i‘, ‘ o‘, and ‘u‘, which you pronounce with your mouth open. Example-1. Count Vowels in a String using Java …
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In this program, you will learn to check whether a character is a Vowel or Consonant in Java. The vowels are ‘a’, ‘e’, ‘i’, ‘o’, and ‘u’, and all remaining characters from the alphabet are consonants. Let’s see a few java program examples of it below: Example-1. Find if a character is a Vowel or …
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In this program, you will learn to check whether a number is Even or Odd in Java. To understand this program you should have basic knowledge of if…else statements and ternary operators in java. Here, we use a java.lang.Scanner object to read a number from the user’s keyboard. The entered number is then stored in a variable …
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In this article, you will see the Sum of two arrays in Java. Here, we will take two integer arrays and store the sum of both arrays into a 3rd integer array. Example#1. Sum of two arrays in Java OUTPUT: 7 10 7 7 13 21 Example#2. Addition of two arrays in Java using Scanner …
In this article, you will see how to find the Average of Odd and Even numbers in an Array using Java. To understand this program, you should have the basic knowledge of an integer array and the looping concept. Even Number: Any number that can be exactly divided by 2 is called an even number.Odd Number: …
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In this article, you will learn how to find the Sum of even numbers in an Array using Java. Here, we first check whether an array element is an Even number or not by dividing it by 2. If the remainder is 0 then the number is an Even number. We will add all found …
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