package com.mosh;

import com.mosh.exceptions.ExceptionsDemo;

import com.mosh.generics.*;

import com.mosh.streams.StreamsDemo;

public class Main {

public static void main(String[] args) {

//exceptions();

//comparable();

//utils();

//collections();

//CollectionsDemo.show();

//ListDemo.show();

//ComparableDemo.show();

//QueueDemo.show();

//SetDemo.show();

//MapDemo.show();

//LambdaDemo.show();

//ConsumerDemo.show();

//SupplierDemo.show();

//FunctionDemo.show();

//PredicateDemo.show();

//BinaryOperatorDemo.show();

//UnaryOperatorDemo.show();

StreamsDemo.show();

}

public static void collections(){

var list = new GenericList<String>();

list.add("a");

list.add("b");

for(var item : list) {

System.out.println(item);

}

}

public static void genericInheritance(){

User user = new Instructor(10);

Utils.printUser(new Instructor(20));

var instructors = new GenericList<Instructor>();

Utils.printUsers(instructors);

}

public static void utils(){

Utils.print(1, "Doug");

}

public static void comparable(){

var user1 = new User(10);

var user2 = new User(20);

if(user1.compareTo(user2) < 0)

System.out.println("user1 < user2");

else if (user1.compareTo(user2) == 0)

System.out.println("user1 == user2");

else

System.out.println("user1 > user 2");

System.out.println("Bigger user: " + Utils.max(user1, user2));

}

public static void generics(){

var list = new List();

list.add(1);

var genericList = new GenericList<Integer>();

genericList.add(1); // Boxing - Java automatically wraps eg primitive int into wrapper Integer

int i = list.get(0); // Unboxing - Java automatically converts to primitive eg Integer to int

var userList = new GenericList<User>();

userList.add(new User(10));

}

public static void exceptions(){

try {

ExceptionsDemo.show();

} catch (Throwable e) {

System.out.println("An unexpected error occurred.");

}

}

}