我有下面的代碼時:編譯錯誤實例化一個新的ArrayList
import java.util.*;
import java.io.*;
import java.util.*;
import java.io.*;
public class ShufflingListAndArray
{
public static void main(String[] args) throws IOException
{
List <String> services = new ArrayList<String> (
Arrays.asList("COMPUTER", "DATA", "PRINTER"));//here I have used List <String> services=new ArrayList<String>(Arrays.asList("COMPUTER", "DATA", "PRINTER"));// followed by next statement Satring s=Services.get(rnd.nextInt(Services.size()));
String s = services.get(rnd.nextInt(services.size()));
Collections.shuffle(list);
//Collections.sort(list);
System.out.println("List sorting :"+ list);
}
}
當我編譯這個程序,我得到以下錯誤:
C:\>javac ShufflingListAndArray.java
ShufflingListAndArray.java:6: '(' or '[' expected
List<String> services = new ArrayList<String>(
^
1 error
有人可以幫我解決這個問題?
您正在使用哪個Java版本?泛型只支持Java 5 ... – netzwerg 2010-02-28 11:58:00
我想知道這應該如何編譯?或者這只是你的代碼的小竅門?首先rnd沒有聲明,列表也沒有聲明?! – kukudas 2010-02-28 22:32:55