Java unicode transcoding to Chinese instances

package com.infomorrow.parser_report;
import org.junit.Test;
public class Decode {
    @Test
    public void test(){
        String uString = "\u9053\u8def";
        System.out.println(ascii2native(uString));//The road
    }

    public static String ascii2native(String ascii) {  
        int n = ascii.length() / 6;  
        StringBuilder sb = new StringBuilder(n);  
        for (int i = 0, j = 2; i < n; i++, j += 6) {  
            String code = ascii.substring(j, j + 4);  
            char ch = (char) Integer.parseInt(code, 16);  
            sb.append(ch);  
        }  
        return sb.toString();  
    }  
}