Java中的引用传递和值传递

public class ArrayListTest { public static void main(String args[]){ List<String> testList = new ArrayList<String>(); testList.add("a"); add(testList); testList.add("d"); for(String str:testList){ System.out.println(str); } } public static void add(List<String> list){ list.add("b"); list= new ArrayList<String>(); list.add("c"); } }

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abd?

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