Java基础小常识 - 任意进制转换 - (6)
package www.jwb.day04;
public class To_Hex
{
public static void main(String[] args)
{
toBinary(60);
toOctal(60);
toHex(60);
//调用系统实现任意进制转换
System.out.println(Integer.toBinaryString(60));
System.out.println(Integer.toOctalString(60));
System.out.println(Integer.toHexString(60));
}
//二进制
public static void toBinary(int num)
{
trans(num,1,1);
}
//八进制
public static void toOctal(int num)
{
trans(num,7,3);
}
//十六进制
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 = new char[]{'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 j=pos;j<arr.length;j++)
{
System.out.print(arr[j]);
}
System.out.print("\n");
}
}