*звуки грусти и глубокого выдыхания
package com.javarush.task.pro.task09.task0905;
/*
Восьмеричный конвертер
*/
public class Solution {
public static void main(String[] args) {
int decimalNumber = 21;
System.out.println("Десятичное число " + decimalNumber + " равно восьмеричному числу " + toOctal(decimalNumber));
int octalNumber = 25;
System.out.println("Восьмеричное число " + octalNumber + " равно десятичному числу " + toDecimal(octalNumber));
}
public static int toOctal(int decimalNumber) {
if (decimalNumber <= 0){
return 0;
}
int i = 0;
double octal = 0.0d;
while (decimalNumber != 0){
octal = octal + (decimalNumber % 8) * Math.pow(10, i);
decimalNumber = decimalNumber / 8;
i++;
}
return decimalNumber = (int)octal;
}
public static int toDecimal(int octalNumber) {
if(octalNumber <= 0){
return 0;
}
int i = 0;
double decimal = 0.0d;
while (octalNumber != 0){
decimal = decimal + (octalNumber % 8) * Math.pow(10, i);
octalNumber = octalNumber / 10;
i++;
}
return octalNumber = (int)decimal;
}
}