java programs

Learn about how to print different star pattern in java.

Learn about how to convert Roman number to Integer in java.

In this article, we will look at a problem: Given an Input String and a Character, we have to Count Occurrences Of character in String in java. For Example, If the Given String is : "Java2Blog" and we have to count the occurrences of Character ‘a’ in the String. Therefore, Count of 'a' is : […]

Learn about how to find automorphic number in java using different methods

Learn about how to find nth prime number in java.

Learn about how to capitalize first letter in java.

In this article, we are going to find first and last digit of a number in Java. To find first and last digit of any number, we can have several ways like using modulo operator or pow() and log() methods of Math class etc. Let’s see some examples. Before moving to example, let’s first create […]

In this article, we are going to find whether a number is perfect or not using Java. A number is called a perfect number if the sum of its divisors is equal to the number. The sum of divisors excludes the number. There may be several approaches to find the perfect number. For example: 28 […]

In this article, we will implement Number guessing game in java. The number guessing game is based on a concept where player guesses a number between a range. If player guesses the exact number then player wins else player looses the game. Since this game provides limited attempts, so, player must guess the number with […]