メソッドtestPerfect
は、から数値を受け取り、その数値をgetPerfect
因数分解して、数値を配列に入れることになっています。現在、配列を印刷していますが、すべてゼロです。数値の因数を配列に入れることについて何か提案はありますか?
public class aermel_Perfect
{
public static void main ( String args [] )
{
int gN;
int gP = getPerfect();
int [] array = new int[100];
//int printFactors;
System.out.println(Arrays.toString(array));
}
public static int getNum() //Get amount of numbers to check
{
Scanner input = new Scanner ( System.in );
System.out.print( "How many numbers would you like to test? " );
int count = input.nextInt();
int perfect = 1;
boolean vN = validateNum(count, perfect);
while(!vN)
{
System.out.print (" How many numbers would you like to test? ");
count = input.nextInt();
vN = validateNum(count, perfect);
}
return count;
}
public static boolean validateNum( int count, int perfect ) //Check if number is valid
{
if (( count <= 0) || ( perfect <= 0))
{
System.out.print( "Non-positive numbers are not allowed.\n");
}
else
{
return true;
}
return false;
}
public static int getPerfect() //Gets the numbers to test
{
Scanner input = new Scanner ( System.in );
int perfect = -1;
int count = getNum();
System.out.print("Please enter a perfect number: " );
perfect = input.nextInt();
boolean vN = validateNum(perfect, count);
while (!vN)
{
System.out.print("Please enter a perfect number: ");
perfect = input.nextInt();
vN=validateNum(perfect, count);
}
return perfect;
}
public static int[] testPerfect( int perfect, int[] array )
{
testPerfect(perfect, array);
int limit = (int) Math.ceil(Math.sqrt(perfect));
int index = 0;
for ( int i = 1; i <=limit; i++)
{
array[index++] = i;
perfect /= i;
}
array[index] = perfect;
return array;
}
}