Round 1: Peer coding round. The interviewer brought a sample code and asked to implement a method in it. Round 2: Peer coding round. The interviewer brought a sample code and asked to do code review and for a Rest Controller. Round 3: Implement getPrice method ``` import static java.util.Arrays.asList; import static java.util.Collections.emptyList; import java.io.*; import java.util.*; import java.text.*; import java.math.*; import java.util.regex.*; public class InheritedFields { static class Menu { public String name; public List groups; public Double price; // nullable public Menu(String name, Double price, List groups) { this.name = name; this.price = price; this.groups = groups; } } static class MenuGroup { public String name; public List groups; public List items; public Double price; // nullable public MenuGroup(String name, Double price, List items, List groups) { this.name = name; this.price = price; this.items = items; this.groups = groups; } } static class MenuItem { public String name; public Double price; // nullable public MenuItem(String name, Double price) { this.name = name; this.price = price; } } public static Double getPrice(Collection menus, MenuItem item) { for(Menu objMenu: menus) { for(MenuGroup objMenuGroup: objMenu.groups){ // List groups; // List items; Double price1 = 0.0; Double price2 = 0.0; if(!objMenuGroup.groups.isEmpty()) { price1 = parseMenuGroup(objMenuGroup.groups, objMenuGroup.price, item); } if(!objMenuGroup.items.isEmpty()) { price2 = parseItems(objMenuGroup.items, objMenuGroup.price, item); } if(price1 == null && price2 == null) { return 0.0; } else if(price1 != null){ return price1; } else { return price2; } } } return null; } public static Double parseMenuGroup(List menugroups, Double price, MenuItem item) { Double price1 = 0.0; Double price2 = 0.0; for (MenuGroup obj: menugroups) { Double curr_price = obj.price==null ? price : obj.price; if(!obj.groups.isEmpty()) { price1 = parseMenuGroup(obj.groups, curr_price, item); } if(!obj.items.isEmpty()) { price2 = parseItems(obj.items, curr_price, item); } } if(price1 == null && price2 == null) { return null; } else if(price1 != null && price1 != 0.0){ return price1; } else { return price2; } } public static Double parseItems(List items, Double price, MenuItem item) { for(MenuItem obj: items) { if (obj.name == item.name) { if(obj.price == null) { return price; } else { return obj.price; } } } return null; } static final Menu LUNCH_MENU, DRINK_MENU; public static void main(String args[] ) { List menuList = new ArrayList<>(); menuList.add(LUNCH_MENU); menuList.add(DRINK_MENU); MenuItem test = new MenuItem("Wings", null); System.out.println(getPrice(menuList, test)); } static { // Initialize LUNCH_MENU + DRINK_MENU in a block so that it's collapsible in IDE LUNCH_MENU = new Menu( "Lunch", 11.50, asList( new MenuGroup( "Appetizers", 5.00, asList(new MenuItem("Wings", null), new MenuItem("Fries", 3.50)), emptyList() ), new MenuGroup( "Entrees", null, asList(new MenuItem("Burger", null)), asList( new MenuGroup( "Salads", 7.50, asList( new MenuItem("Garden Salad", null), new MenuItem("Cobb Salad w/ Bacon", 9.00)), emptyList() ), new MenuGroup( "Toast", 6.50, asList( new MenuItem("Avocado", null), new MenuItem("PB&J", null)), emptyList() ) ) ) ) ); DRINK_MENU = new Menu( "Drinks", 5.00, asList( new MenuGroup( "Coffees", null, emptyList(), asList( new MenuGroup( "Iced", 5.00, asList( new MenuItem("Iced Latte", 6.50), new MenuItem("Decaf Iced Coffee", null)), emptyList() ), new MenuGroup( "Hot", 3.00, asList( new MenuItem("Americano", null), new MenuItem("Cup of Joe", null) ), emptyList() ) ) ), new MenuGroup( "Sodas", 2.50, asList(new MenuItem("Coke", null), new MenuItem("Sprite", null), new MenuItem("Ginger Ale", null)), emptyList() ) ) ); } } ``` Round 4: Behaviour round Round 5: Hiring Manager round