java十进制转十六进制

import java.util.Scanner;
public class TestWork {
	public static void main(String[] args) {
		System.out.println("请输入要求输入的整型数");
		Scanner sc = new Scanner(System.in);
		int num = sc.nextInt();
		int num1 = num;
		int tempnum = 0;
		String result = "";
		while (num > 0) {
			tempnum = num % 16;
			switch (tempnum) {
			case 10:
				result = "A" + result;
				break;
			case 11:
				result = "B" + result;
				break;
			case 12:
				result = "C" + result;
				break;
			case 13:
				result = "D" + result;
				break;
			case 14:
				result = "E" + result;
				break;
			case 15:
				result = "F" + result;
				break;
			default:
				result = tempnum + result;
				break;
			}
			num /= 16;
		}
		System.out.println(num1 + "转化为十六进制数为：" + result);
	}
}