Basic java programs
- 24 December
How to capitalize first letter in java
Learn about how to capitalize first letter in java.
- 09 October
Java program to find first and last digit of a number
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 […]
- 30 September
Find Perfect Number in Java
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 […]
- 28 September
Number guessing game in java
In this article, we will implement Number guessing game in java. The number guessing game is based on a concept where player guess a number between a range. If player guess the exact number then player win else player loose the game. Since this game provides limited attempts, so, player must guess the number with […]
- 03 October
Happy Number program in Java
In this article, we are going to learn to find Happy Number using Java. Let’s first understand, what is Happy Number? What is a Happy Number? A number which leaves 1 as a result after a sequence of steps and in each step number is replaced by the sum of squares of its digit. For […]
- 28 September
How to find Magic Number in Java
In this article, we are going to learn to find Magic Number using Java. Let’s first understand, what is Magic Number? What is a Magic Number? A number which leaves 1 as a result after a sequence of steps and in each step number is replaced by the sum of its digits. For example, if […]
- 18 September
Return second last digit of given number in java
In this topic, we will learn to get the second last digit of a number in Java with the help of examples. There can be several ways to get second last digit; here we are discussing some solutions. Using modulo operator Here, we are using modulo and divide operators to find the second last digit. […]
- 05 October
Calculate total surface area of Hemisphere in java
In this post, we will see how to calculate total surface area of Hemisphere in java. Hemisphere is exactly half of sphere. There can be many practical examples of Hemisphere. You can divide earth into two hemisphere i.e. Northen Hemisphere and Southern Hemisphere. Formula of calculating total surface area of Hemisphere is: surface area of […]
- 05 October
Calculate total surface area of Cylinder in java
In this post, we will see how to calculate total surface area of Cylinder in java. Formula of calculating total surface area of Cylinder is: Surface area of Cylinder = 2 *Π * r * r + 2 *Π * r * h Where r is radius of cylinder and h is height of cylinder […]
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