java.lang.UnsupportedOperationException at java.util.AbstractList.remove(Unknown Source)

Question

I have tried below code

String s[]={\"1\",\"2\",\"3\",\"4\"};  
Collection c=Arrays.asList(s);  
System.out.println(c.remove(\"1\") +\"  remove flag\");  

Syste         


        

Answer 1

Slight correction: no, it's not an unmodifiable Collection. It just doesn't support adding and removing elements, because it is backed by the supplied array and arrays aren't resizeable. But it supports operations like list.set(index, element)