标题: 进制转换（三） [打印本页] 作者: 小灬清新丶 时间: 2015-7-11 17:28 标题: 进制转换（三） class ShuZuTest7
{
public static void main(String[] args)
{
//toBin(-6);
//toHex(-60);
toBa(60);
}
//十进制转二进制
public static void toBin(int num)
{
trans(num,1,1);
}
//十进制转16进制
public static void toHex(int num)
{
trans(num,15,4);
}
//十进制转八进制
public static void toBa(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]);
}
}
}