进制转换代码:- class Obj
- {
- public static void main(String[] args)
- {
- toBin(60);
- toOct(60);
- toHex(60);
- }
- public static void toBin(int num)
- {
- trans(num, 1, 1);
- }
- public static void toOct(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]);
- }
- }
- }
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