<gap num="55" id="<java.util.AbstractList: java.lang.Object remove(int)>"></gap> <gap num="48" id="<java.util.AbstractList: void add(int,java.lang.Object)> ...
Does anyone know how to call an instance method from a class that is used to construct an arraylist? In my main method I call the instance method like so: int x = hand.Suit("h"); where hand is my ...
Arrays.asList返回的List并不是我们期望的java.util.ArrayList，而是Arrays的内部类ArrayList。 ArrayList内部类继承自AbstractList类，并没有覆写父类的add方法，而父类中add方法的实现，就是抛出UnsupportedOperationException。
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