public class ArrayTrans {
public static void main(String[] args) { // TODO Auto-generated method stub toBin(60); System.out.println(); toBa(60); System.out.println(); toHex(60);
} //十进制转二进制 public static void toBin(int num){ trans(num,1,1); } //十进制转八进制 public static void toBa(int num){ trans(num,7,3); } //十进制转十六进制 public static void toHex(int num){ trans(num,15,4); } //抽取公共部分，提高代码复用率 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]); } }
}
