The Java Runtime Environment (JRE) is a pivotal component of the Java programming ecosystem, specifically designed to provide the necessary environment for executing Java applications. While it is often confused with the Java Development Kit (JDK), which includes tools for developing Java applications, the JRE focuses exclusively on running them. This article delves into the … Read more
How to Remove Vowels from a String in Java? Strings in Java are sequences of characters that are immutable, meaning that once the string is created it can not be changed. In this article we will guide you through the process of removing vowels from strings in Java, using a simple and understandable Java program. … Read more
In the realm of programming, learning the fundamentals is crucial, and one of the fundamental skills is to manipulate numbers. One such interesting exercise is reversing a number. In this article, we’ll explore how to write a simple Java program that reverses a given number. Understanding the Problem The task at hand involves taking an … Read more
How to Convert Stack to Array in Java ? In Java, the Stack class, part of the java.util package, represents a Last-In-First-Out (LIFO) data structure. Occasionally, there arises a need to convert the elements of a Stack into an array for various operations or ease of manipulation. Fortunately, Java provides a straightforward method to achieve … Read more
Binary search is a powerful algorithm used to efficiently find a specific element in a sorted array or list. In Java, implementing binary search is straightforward and can significantly improve the performance of search operations on large datasets. In This article we going to implement binary search in Java. Binary Search: A Overview The essence … Read more
Armstrong Number is a positive integer that is equal to the sum of its own digits raised to the power of number of digits. For example 153, 370, 371, 407, 1634, 8208, 9474, 54748, 92727, 93084 etc. Here we are going to write programs for Armstrong number in Java. Steps to check Armstrong Number To … Read more
In this artcle we are going to learn about insertion sort algorithm and insertion sort implementation in java. Insertion sort:- In insertion sort the array is divided into two parts first part is sorted and second part is unsorted. To start with sorted array will have only first element in sorted array and the all … Read more
In this article, we are going to discuss about array sorting and diffrent ways to sort an array and there implementation. What is Array Sorting:- Sorting means arranging items either in ascending order or descending order. Arranging an array’s elements either in ascending order or descending order is known as array sorting. We can sort … Read more
In this article, we are going to find one extra character in given two strings. Problem:- we have two strings s1 and s2 of length n and n+1. we need to find that one extra character in string s2 that is not present in string s1. Java code to find one extra character in given … Read more
In this article, we are going to learn about strings in java. A string is a sequence of characters, in java string is an object which represents a sequence of characters. An array of character works the same as a string. strings are immutable in java. In java every character is stored in 16-bits. char[] … Read more
In this article we are going to discuss about data types in java. data type is set of possible values and set of allowed operation on it. it specify different sizes and vales that can be stored in a variable. There are two type of data types in java:- Primitive data types in java:- In … Read more
In this article, we are going to discuss about identifiers. Identifiers are the names given to variables, methods/functions, classes, interfaces. For example:- int number=1231; String str=”identifiers in java”; In the above example “number” and “str” are the identifiers. Rules for identifiers in java:- There are some rules for declaring identifiers in java. if identifiers are … Read more
In this article, we are going to discuss about keywords in java. Keywords are predefine words in programing language. we cannot use these keywords as variable names because they are already predefined. Java keywords:- These are some java keywords written below. You cannot use these keywords as a identifiers in your programs. goto keyword is … Read more
In this article, we are going to discuss the advantages of java what is java? uses of java advantage of java disadvantage of java etc. History of java:- java is one of the famous programming languages. it was developed by “James Gosling” in 1995 at sun microsystems. The development of java starts in 1991. This … Read more
In this article, we are going to find digits after decimals in given number. for this, we will write a java code. Example:- if n=145.258, then the output will be 258. Steps:- Java code to find digits after decimal numbers:- Output:- The same logic can be used to find digits after decimals in other programming … Read more
In this article, we are going to see how we can convert binary to decimal. We also write java code to convert binary to decimal. Binary to Decimal conversion:- Steps:- Java code to convert binary to decimal:- Output:- The same logic can be used to convert binary to decimal in other programing languages like C, … Read more
In this article we are going to see how we can convert decimal to binary. We also write java code to convert decimal to binary. Decimal to Binary conversion:- For conversion of Decimal to Binary continuously divide the decimal number by 2 until decimal number become 0. and add every reminder after division at the … Read more
In this article, we are going to discuss about palindrome string and write a code in java to check whether a given string is palindrome or not. Palindrome String:- A palindrome string is a string that remains the same after reversing the string for example-“abc”, this is not a palindrome string because after reversing the … Read more
In this article, we are going to find power of given number using recursion in java. Example:- if num=2 and power=3, then the output will be 8. steps:- java code to calculate power using recursion:- Output:- You can use the same approach to calculate the power using recursion in other programming languages like C, C++, … Read more
In this article, we are going to swap two numbers by using two different approach. first approach is using third variable and second one is without using third variable. Swapping two numbers using third variable. In this approach, we used a temporary i.e. third variable two swaps two numbers. Here we are going to use … Read more