Convert Octal to Binary in java

class Main {
  public static void main(String[] args) {
    int octal = 67;
    long binary = convertOctalToBinary(octal);
    System.out.println(octal + " in octal = " + binary + " in binary");
  }

  public static long convertOctalToBinary(int octalNumber) {
    int decimalNumber = 0, i = 0;
    long binaryNumber = 0;

    while (octalNumber != 0) {
      decimalNumber += (octalNumber % 10) * Math.pow(8, i);
      ++i;
      octalNumber /= 10;
    }

    i = 1;

    while (decimalNumber != 0) {
      binaryNumber += (decimalNumber % 2) * i;
      decimalNumber /= 2;
      i *= 10;
    }

    return binaryNumber;
  }
}

Source: programiz.com

Similar codes

8 votes186 views4 answers
Get type of variable java
Java
0 vote207 views1 answer
Least significant bit java
Java
0 vote185 views1 answer
Json to hashmap java stream
Java
0 vote164 views1 answer
Difference between string vs stringbuffer
Java
0 vote347 views1 answer
Intellij evaluate expression
Java
5 votes176 views2 answers
Write file java
Java
0 vote155 views1 answer
Same activity called multiple times
Java
1 vote180 views1 answer
Linear layout background color
Java
2 votes215 views2 answers
Hashmap.foreach example
Java
3 votes169 views2 answers
Remove duplicates from sorted array
Java