java面试题

 
import java.util.ArrayList;
import java.util.List;

 

public class Test {
	public static void main(String[] args) {
		List<String> list=new ArrayList<String>();
		list.add("1");
		Change(list);
		System.out.println(list.get(0));
	}

	private static void Change(List<String> list) {
		 List<String> newList=new ArrayList<>();
		 newList.add("2");
		 list=newList; 
	}
	
} 

输出结果是:1