WebTo find whether a given number is happy or not, calculate the square of each digit present in number and add it to a variable sum. If resulting sum is equal to 1 then, given number is a happy number. If the sum is equal to 4 then, the number is an unhappy number. Else, replace the number with the sum of the square of digits. WebJava Example to check if a number is perfect square. In this program, we have created a user-defined method checkPerfectSquare () that takes a number as an argument and returns true if the number is perfect …
Java exercises: Check a number is a cube or not
WebSteps to Find Perfect Number. Read or initialize a number (n). Declare a variable (s) for storing sum. Find the factors of the given number (n) by using a loop (for/ while). Calculate the sum of factors and store it in a variable s. If both (s and n) are equal, then the given number is a perfect number. Else, the number is not a perfect number. WebJan 14, 2024 · To know whether a number is a perfect square or not, we calculate the square root of the given number. If the result is a whole number then the given number is a perfect square. If we were to check if 18 is a perfect square, we would square root that number and get 4.24264068712. Since that is not a whole number, we can conclude … barra de proteina dark bar
Determine if an Integer’s Square Root Is an Integer in Java …
WebMar 17, 2024 · A Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. WebFollow the steps given below: Read a number ( num) from the user. Find the square of the given number and store it in a variable ( square ). Find the last digit (s) of the square. Compare the last digit (s) of the variable with num . If they are not equal, the given number is not an automorphic number. If they are the same, go to the next step. suzuki swift sport 2022 price