public class ArrayTest2 {

public static void main(String[] args){

toHex(60);

}

// 0,1,2,3,4,5,6,7,8,9, A, B, C, D, E, F

// 0,1,2,3,4,5,6,7,8,9, 10,11,12,13,14,15

public static void toHex(int num){

char[] arr={'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};

char[] res=new char[8];

int index=0;

while(num!=0){

int temp=num&15;

//定义一个对应关系表

res[index++]=arr[temp];

num=num>>>4;

}

for(int i=res.length-1;i>=0;i--){

System.out.print(res[i]);

}

// int n1=num&15;

// System.out.println(n1);

// num=num>>>4;

// int n2=num&15;

// System.out.println(n2);

}

}