Homework

src/main/java/lesson3/Homework/Main.java

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+package lesson3.Homework;
+
+import java.util.ArrayList;
+
+public class Main {
+    public static void main(String[] args) {
+        PhoneDirectory book = new PhoneDirectory();
+        book.add(new Phone("1","Суров", "89457432341"));
+        book.add(new Phone("2","Суров", "89457252341"));
+        book.add(new Phone("3","Суров", "894357432341"));
+        book.add(new Phone("4","Федотов", "89457433571" ));
+        book.add(new Phone("5","Рапницкий", "89457891341" ));
+        book.add(new Phone("6","Захаров", "89450002341" ));
+        book.get("Суров");
+        book.get("Карпухин");
+        String[] words =new String[]{"represent","represent","represent","represent","present","present","reprimand","procrastinate","present","tent","tent","reprimand","reevaluate","elevate","Rip and Tear"};
+        ArrayList<String> unique= new ArrayList<>();
+        for (int i = 0; i < 15; i++) {
+            if(!unique.contains(words[i])){
+                unique.add(words[i]);
+            }
+        }
+
+        for (String word: unique) {
+            int sum = 0;
+            for (int i = 0; i < 15; i++) {
+                if(words[i].equals(word)){
+                    sum+=1;
+                }
+            }
+            System.out.println(word + " встречается " + sum + " раз");
+        }
+    }
+}

src/main/java/lesson3/Homework/Phone.java

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+package lesson3.Homework;
+
+public class Phone {
+    String id;
+    String surname;
+    String number;
+
+    public Phone(String id, String surname, String number) {
+        this.id = id;
+        this.surname = surname;
+        this.number = number;
+    }
+}

src/main/java/lesson3/Homework/PhoneDirectory.java

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+package lesson3.Homework;
+
+import java.util.ArrayList;
+
+public class PhoneDirectory {
+    ArrayList<Phone> phones = new ArrayList<>();
+
+    public PhoneDirectory() {
+    }
+    public void add(Phone phone){
+        phones.add(phone);
+    }
+    public void get(String surname){
+        String outPut= "";
+        for (Phone phone:phones) {
+            if(surname.equals(phone.surname)){
+                outPut+= " " + phone.number;
+            }
+        }
+        if(outPut.equals("")){
+            System.out.println("По фамилии " + surname + " не найдено никаких номеров");
+        }
+        else{
+            System.out.println("По фамилии " + surname + " найдены данные телефоны:"+outPut);
+        }
+    }
+}