package com.logicbig.example.collections;
import java.util.Collections;
import java.util.List;
public class EmptyListExample2 {
public static void main(String... args) {
List<String> list = Collections.emptyList();
list.add("a");
}
}
Output
Caused by: java.lang.UnsupportedOperationException
at java.base/java.util.AbstractList.add(AbstractList.java:153)
at java.base/java.util.AbstractList.add(AbstractList.java:111)
at com.logicbig.example.collections.EmptyListExample2.main(EmptyListExample2.java:15)
... 6 more