Unique Digits Count in Java | Write a Java program to count the unique digits in the given number. For example, if the given number is 01230312 then the total number of unique digits is 4. To develop this Java program, we have to take the help of an array or collection. First, we develop […]
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ISBN understands for International Standard Book Number, which is used to identify a book. In this post, we will write a Java program to check whether the given number is a valid ISBN number or not? From 1970 to the end of December 2006, It is a 10 digit number, but since 1 January 2007
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In this post, we will develop a Java program to check whether the given number is a perfect square or not. There are different ways to check the given number is a perfect square or not. You may say that the easiest to use sqrt() method. But it is not the only way to check
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In this post, we will develop a Java program to check whether the given number is a Nelson Number or not? In cricket, the number 111 is sometimes called “a Nelson” after Admiral Nelson, who allegedly only had “One Eye, One Arm, One Leg” near the end of his life. This is, in fact inaccurate—Nelson
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Previously we have developed a Java program for Simple calculator using switch cases and methods. Now in this post, we will develop a Java program for a BMI calculator. The BMI stands for Body Mass Index. It is a measure of health based on height and weight. It can be calculated by taking the weight
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In this post, we will develop a Java program to check whether the given number is a Fascinating Number or not? We will also develop a Java program to find all fascinating numbers between two given numbers. A number is called a fascinating number if it is (having at least 3 digits) multiplied by 2
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In this post, we will develop a Java program to check whether the given number is a unique number or not. A number that doesn’t have any duplicate digits is called a unique number. For example:- 123, 7158, 98547 are unique numbers, but 1111, 1233, 514425 are not unique numbers because they have one digit
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In this post we will develop a Java program to check whether the given number is a Disarium number or not? We will also develop a Java program to find all the Disarium numbers in the given range. A number whose sum of its digits powered with their respective position is equal to the original
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In this post, we will develop a Java program to check whether the given number is a spy number or not? We will also develop a Java program to find all the spy number exist in between two given numbers. A number whose sum of the digits of is equal to the product of its
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