package javastudy;
//10进制转2 8 16进制
public class Study15 {
public static void main(String[] args)
{
toBa(60);
toBin(60);
toHex(60);
}
public static void toBin(int num)
{
trans(num,1,1);
}
public static void toBa(int num)
{
trans(num,7,3);
}
public static void toHex(int num)
{
trans(num,15,4);
}
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]);
}
}
}
|
|