java.lang.UnsupportedOperationException at java.util.AbstractList.remove

Question

I am trying to remove an item of a List .

list.remove(key);

However, it throws an exception:

Caused by: java.lang.UnsupportedOperationException
    at java.util.AbstractList.remove(AbstractList.java:161)
    at java.util.AbstractList$Itr.remove(AbstractList.java:374)
    at java.util.AbstractCollection.remove(AbstractCollection.java:293)
    at bean.Bean.deleteRow(Bean.java:46)

How is this caused and how can I solve it?

Answer 1

问题是在用于初始化列表的Arrays.asList（）期间，通过使用list.add（String）我解决了问题