Write a Java program that counts the number of divisors of a number n given by the user.
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Write a Java program that counts the number of divisors of a number n given by the user.
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- In JAVA language: Write a program to print the sum of all numbers which are divisible by 5 in the range 1 to 500.Write a Java Program to Check if a given Number is Perfect Number. A perfect number is a positive integer that is equal to the sum of its proper positive divisors excluding the number itself.Java Programming: Write a program that reads five integer values from the user, then analyzes them as if they were a hand of cards. When your program runs it might look like this (user input is in orange for clarity): Enter five numeric cards, no face cards. Use 2 - 9. Card 1: 8 Card 2: 7 Card 3: 8 Card 4: 2 Card 5: 9 Pair! (This is a pair, since there are two eights). You are only required to find the hands Pair and Straight.
- Write a program in Java to calculate the number of times a digit ‘D’ appears in a number N. You have to take N and D as inputs from the user.Write a program that implements a recursive algorithm that prints the factorial of the first 10 digits (1 to 10 and it is optional if you would like to include 0). The program must use a recursive algorithm and can be implemented in Java.write a java program A twin prime is a prime number that is either 2 less or 2 more than another prime number. For example (41, 43) are both primes and are twin primes because 41 + 2 = 43. Write a program that asks the user to enter a positive number and checks if this number is prime. If the number is prime then the program must check if it has a twin prime. So if n is prime, then n - 2 or n + 2 should be checked. The program repeats until the user enters -1. Sample Run: Enter a positive integer (-1 to end): -5 Invalid Number Enter a positive integer (-1 to end): 61 61 is prime 59 and 61 are twin prime Enter a positive integer (-1 to end): 137 137 is prime 137 and 139 are twin prime Enter a positive integer (-1 to end): 30 30 is not prime Enter a positive integer (-1 to end): 23 23 is prime 23 does not have a twin prime Enter a positive integer (-1 to end): -1
- Q1. Write a Java program that takes a positive odd integer n and returns the sum of odd integers from 1 to n using recursive method named oddSum.Write a Java program that reads two positive integers num1 and num2 (assume num1 < num2). Then, the program will display all perfect numbers between num1 and num2. A positive integer is called a perfect number if it is equal to the sum of all of its positive divisors, excluding itself. For example, 6 is the first perfect number because 6 = 3 +2 +1. The next is 28 = 14 +7+4+2+1. Hint: use modulus (%) to find the divisor of a number. Sample Input/Output Input the 2 numbers: 6 1001 Perfect Numbers are: 28 496 Note: Your answer should follow the given sample input / output.Swap two integer numbers without using third variable. In java please
- Write a Java program that reads two positive integers num1 and num2 (assume num1 < num2). Then, the program will display all perfect numbers between num1 and num2. A positive integer is called a perfect number if it is equal to the sum of all of its positive divisors, excluding itself. For example, 6 is the first perfect number because 6 = 3 +2 + 1. The next is 28 = 14 +7+4+2+1. Hint: use modulus (%) to find the divisor of a number. Sample Input/Output Enter two numbers: 6 1001 6 is a perfect number 28 is a perfect number 496 is a perfect numberWrite a Java program DigitsInOrder that reads a four-digit integer from the user, and then displays it one digit per line. For example, assume the user enters 1234 (one thousand two hundred and thirty-four), then your program will display: 1 2 3 4 (USE JAVA.MATH SOLUTIONS, NOT IF STATMENTS OR LOOPS OR ARRAYS)Write a Java program that will compute the greatest common divisor using recursive method. The gcd(m,n) can be defined recursively as follows: If m % n is zero, gcd(m,n) is n. Otherwise, gcd(m,n) is gcd(n,m%n). Write a main program that prompts the user to enter two integers and displays the greatest common divisor.