/* package whatever; // don't place package name! */ import java.util.*;import java.lang.*;import java.io.*; /* Name of the class has to be "Main" only if the class is public. */class Ideone{ public static void main (String[] args) throws java.lang.Exception { List<String> lista = Arrays.asList("Ala", "ma", "kota"); System.out.println(lista); lista.set(2, "AIDS"); System.out.println(lista); lista.add("!"); }}
Standard input is empty
[Ala, ma, kota] [Ala, ma, AIDS]
Exception in thread "main" java.lang.UnsupportedOperationException at java.base/java.util.AbstractList.add(AbstractList.java:153) at java.base/java.util.AbstractList.add(AbstractList.java:111) at Ideone.main(Main.java:16)
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