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ExerciseRunner.java | ||
README.md |
README.md
Perfect Number
Instructions
Write a program to check if a given number is a perfect number. A perfect number is a positive integer that is equal to the sum of its proper positive divisors, excluding itself.
Expected Class
public class PerfectNumber {
public boolean isPerfectNumber(int number) {
// Implementation to check if the given number is a perfect number
}
}
Usage
Here is a possible ExerciseRunner.java
to test your class:
public class ExerciseRunner {
public static void main(String[] args) {
PerfectNumber perfectNumber = new PerfectNumber();
int number1 = 6;
System.out.println("Is " + number1 + " a perfect number? " + perfectNumber.isPerfectNumber(number1));
int number2 = 28;
System.out.println("Is " + number2 + " a perfect number? " + perfectNumber.isPerfectNumber(number2));
int number3 = 12;
System.out.println("Is " + number3 + " a perfect number? " + perfectNumber.isPerfectNumber(number3));
}
}
Expected Output
$ javac *.java -d build
$ java -cp build ExerciseRunner
Is 6 a perfect number? true
Is 28 a perfect number? true
Is 12 a perfect number? false
$