BAEL-2024 : java.lang.ClassCastException: java.util.Arrays$ArrayList cannot be cast to java.util.ArrayList : Kirti Deo

core-java/src/main/java/com/baeldung/classcastexception/ClassCastException.java

@@ -0,0 +1,39 @@
+package com.baeldung.classcastexception;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+public class ClassCastException {
+
+	public static void main(String[] args) {
+
+		List<ArrayList<Person>> personList = new ArrayList<ArrayList<Person>>();
+		// To correct the Exception at line #18, modify the line #11 code as:
+		// List<List<Person>> personList = new ArrayList <List<Person>>();
+		// Line #18 code as personList.add(Arrays.asList(personArray));
+		Person p1 = new Person(1, "John");
+		Person p2 = new Person(2, "Snow");
+		Person[] personArray = new Person[] { p1, p2 };
+		personList.add((ArrayList<Person>) Arrays.asList(personArray));
+		System.out.println("Personlist: " + personList);
+
+	}
+
+}
+
+class Person {
+	int id;
+	String name;
+
+	Person(int id, String name) {
+		this.id = id;
+		this.name = name;
+	}
+
+	@Override
+	public String toString() {
+		return "Person [id=" + id + ", name=" + name + "]";
+	}
+
+}