Создал булиан чтобы входить в условие и все равно второй пункт не проходит.
package en.javarush.task.pro.task09.task0906;
/*
Binary converter
*/
public class Solution {
public static void main(String[] args) {
int decimalNumber = Integer.MAX_VALUE;
System.out.println("Decimal number " + decimalNumber + " is equal to binary number " + toBinary(decimalNumber));
String binaryNumber = "1111111111111111111111111111111";
System.out.println("Binary number " + binaryNumber + " is equal to decimal number " + toDecimal(binaryNumber));
}
public static String toBinary(int decimalNumber) {
int remainder, i = 0;
String binaryNumber = "";
while (decimalNumber > 0) {
remainder = decimalNumber % 2;
decimalNumber = decimalNumber / 2;
binaryNumber = remainder + binaryNumber;
}
return binaryNumber;
}
public static int toDecimal(String binaryNumber) {
int decimalNumber = 0;
for (int i = 0; i < binaryNumber.length(); i++) {
decimalNumber = (int) (decimalNumber + binaryNumber.length() * Math.pow(2, i));
}
boolean inCorrect = (binaryNumber == "" || binaryNumber == "null");
if (inCorrect) {
return 0;
}
return decimalNumber;
}
}