[JAVA] N진수 변환(2진수, 8진수, 10진수, 16진수)

public static void main(String args[]) {

  //10진수
  int deciaml = 15;

  //2진수
  String binaryString = Integer.toBinaryString(deciaml); 
  int binaryToDecimal = Integer.parseInt(binaryString, 2);
  System.out.println(binaryString); //1111
  System.out.println(binaryToDecimal); //15

  //8진수
  String octalString = Integer.toOctalString(deciaml);   
  int octalToDecimal = Integer.parseInt(octalString, 8);
  System.out.println(octalString);  //17
  System.out.println(octalToDecimal);   //15

  //16진수
  String hexString = Integer.toHexString(deciaml);     
  int HexToDecimal = Integer.parseInt(hexString, 16);
  System.out.println(hexString);    //f
  System.out.println(HexToDecimal);     //15

}