Lyalin

src/ru/gb/family_tree/Main.java

@@ -0,0 +1,29 @@
+//Lyalin
+package ru.gb.family_tree;
+
+import ru.gb.family_tree.humans.Human;
+import ru.gb.family_tree.tree.FamilyTree;
+
+import java.time.LocalDate;
+
+import static ru.gb.family_tree.humans.Gender.Female;
+import static ru.gb.family_tree.humans.Gender.Male;
+
+public class Main {
+ public static void main(String[] args) {
+ FamilyTree familyTree = new FamilyTree();
+
+ Human hum1 = new Human("Pavel", Male, LocalDate.of(1953,11,3));
+ Human hum2 = new Human("Olga", Female, LocalDate.of(1980,9,12));
+ Human hum3 = new Human("Gleb", Male,
+ LocalDate.of(1978,7,23),
+ LocalDate.of(2020,3,14));
+
+ familyTree.addHuman(hum1);
+ familyTree.addHuman(hum2);
+ familyTree.addHuman(hum3);
+
+ System.out.println(familyTree);
+ }
+
+}

src/ru/gb/family_tree/humans/Gender.java

@@ -0,0 +1,5 @@
+package ru.gb.family_tree.humans;
+
+public enum Gender {
+ Male, Female
+}

src/ru/gb/family_tree/humans/Human.java

@@ -0,0 +1,80 @@
+package ru.gb.family_tree.humans;
+
+import java.time.LocalDate;
+import java.time.Period;
+
+public class Human {
+ private String name;
+ private Gender gender;
+ private LocalDate date_of_birth;
+ private LocalDate date_of_death;
+
+
+ public Human(String name, Gender gender, LocalDate date_of_birth,
+ LocalDate date_of_death) {
+ this.name = name;
+ this.gender = gender;
+ this.date_of_birth = date_of_birth;
+ this.date_of_death = date_of_death;
+ }
+
+ public Human(String name, Gender gender, LocalDate date_of_birth) {
+ this(name, gender, date_of_birth, null);
+ }
+
+ public int getAge() {
+ if (date_of_death == null) {
+ return getPeriod(date_of_birth, LocalDate.now());
+ }
+ else {
+ return getPeriod(date_of_birth, date_of_death);
+ }
+ }
+
+ private int getPeriod(LocalDate date_of_birth, LocalDate date_of_death) {
+ Period diff = Period.between(date_of_birth, date_of_death);
+ return diff.getYears();
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public LocalDate getDate_of_birth() {
+ return date_of_birth;
+ }
+
+ public LocalDate getDate_of_death() {
+ return date_of_death;
+ }
+
+ public void setDate_of_birth(LocalDate date_of_birth) {
+ this.date_of_birth = date_of_birth;
+ }
+
+ public void setDate_of_death(LocalDate date_of_death) {
+ this.date_of_death = date_of_death;
+ }
+
+ public Gender getGender() {
+ return gender;
+ }
+
+
+ @Override
+ public String toString() {
+ return getInfo();
+ }
+
+ public String getInfo() {
+ StringBuilder sb = new StringBuilder();
+ sb.append("Имя: ");
+ sb.append(name);
+ sb.append(", Пол: ");
+ sb.append(gender);
+ sb.append(", Возраст: ");
+ sb.append(getAge());
+ return sb.toString();
+ }
+
+}

src/ru/gb/family_tree/tree/FamilyTree.java

@@ -0,0 +1,38 @@
+package ru.gb.family_tree.tree;
+
+import ru.gb.family_tree.humans.Human;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class FamilyTree {
+ private List<Human> humanList;
+
+ public FamilyTree() {
+ humanList = new ArrayList<>();
+ }
+
+ public void addHuman(Human human) {
+ humanList.add(human);
+ }
+
+ public Human findByName(String nameHuman) {
+ for (Human human: humanList) {
+ if (human.getName().equalsIgnoreCase(nameHuman)) {
+ return human;
+ }
+ }
+ return null;
+ }
+
+ @Override
+ public String toString() {
+ StringBuilder stringBuilder = new StringBuilder();
+ stringBuilder.append("Family tree:\n");
+ for (Human human : humanList) {
+ stringBuilder.append(human);
+ stringBuilder.append("\n");
+ }
+ return stringBuilder.toString();
+ }
+}