package com.example.custom; import java.util.ArrayList; // Import ArrayList from java.util package class CustomClass { void display() { System.out.println("Custom class in the custom package."); } } public class Main { public static void main(String args[]) { ArrayList list = new ArrayList<>(); // Fix the typo in ArrayList declaration list.add("hello"); list.add("world"); System.out.println("ArrayList from java.util package: " + list); CustomClass customObj = new CustomClass(); customObj.display(); AccessModifiersDemo demo = new AccessModifiersDemo(); demo.publicMethod(); demo.defaultMethod(); } } class AccessModifiersDemo { public void publicMethod() { System.out.println("Public method can be accessed from anywhere."); } void defaultMethod() { System.out.println("Default method can be accessed within the same package."); } }