class HexadecimalConversion{
public static void main(String[] args) {
toBin(6);
System.out.println("\n");
System.out.println("------------------------\n");
toHex(-60);
System.out.println("\n");
System.out.println("------------------------\n");
toOct(60);
}
// Dec --> Hex
public static void toHex(int num){
trans(num, 15, 4);
}
// Dec --> Bin
public static void toBin(int num){
trans(num,1,1);
}
public static void toOct(int num){
trans(num,7,3);
}
public static void trans(int num, int base, int offset){
if(num == 0){
System.out.println(0);
return;
}
char[] chs = {'0','1','2','3',
'4','5','6','7',
'8','9','A','B',
'C','D','E','F'};
char[] arr = new char[32];
int pos = arr.length;
while(num != 0){
int temp = num & base;
arr[--pos] = chs[temp];
num = num >>> offset;
}
for (int x = pos; x<arr.length; x++) {
System.out.print(arr[x]);
}
}
}