Exception in thread "main" java.lang.UnsupportedOperationException: remove

回答: 引发异常"Exception in thread "main" java.lang.UnsupportedOperationException: remove"的原因是在调用Arrays.asList()方法生成的List对象上调用了add或remove方法。\[2\]Arrays.asList()返回的是Arrays的内部类ArrayList，而不是java.util.ArrayList。Arrays的内部类ArrayList继承自AbstractList，而AbstractList中的remove和add方法默认会抛出UnsupportedOperationException异常。\[3\]解决这个问题的方法是将Arrays.asList()生成的List对象转换为java.util.ArrayList对象，然后再进行add或remove操作。例如，可以使用以下代码解决这个问题:

String\[\] array = {"1","2","3","4","5"};
List<String> list = Arrays.asList(array);
List<String> arrList = new ArrayList<>(list);
arrList.add("6");

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