maps.homework package

kodilla-collections-advanced/build.gradle

@@ -0,0 +1,19 @@
+plugins {
+    id 'java'
+}
+
+group = 'com.kodilla'
+version = '1.0-SNAPSHOT'
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    testImplementation platform('org.junit:junit-bom:5.10.0')
+    testImplementation 'org.junit.jupiter:junit-jupiter'
+}
+
+test {
+    useJUnitPlatform()
+}

kodilla-collections-advanced/src/main/java/com/kodilla/collections/adv/maps/homework/Principal.java

@@ -0,0 +1,42 @@
+package com.kodilla.collections.adv.maps.homework;
+
+import java.util.Objects;
+
+public class Principal {
+    String firstName;
+    String lastName;
+
+    public Principal(String firstName, String lastName) {
+        this.firstName = firstName;
+        this.lastName = lastName;
+    }
+
+    public String getFirstName() {
+        return firstName;
+    }
+
+    public String getLastName() {
+        return lastName;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        Principal principal = (Principal) o;
+        return Objects.equals(firstName, principal.firstName) && Objects.equals(lastName, principal.lastName);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(firstName, lastName);
+    }
+
+    @Override
+    public String toString() {
+        return "Principal{" +
+                "firstName='" + firstName + '\'' +
+                ", lastName='" + lastName + '\'' +
+                '}';
+    }
+}

kodilla-collections-advanced/src/main/java/com/kodilla/collections/adv/maps/homework/School.java

@@ -0,0 +1,39 @@
+package com.kodilla.collections.adv.maps.homework;
+
+import java.util.List;
+
+public class School {
+    String name;
+    List<Integer> classes;
+
+    public School(String name, List<Integer> students) {
+        this.name = name;
+        this.classes = students;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public List<Integer> getStudents() {
+        return classes;
+    }
+
+    @Override
+    public String toString() {
+        return "School{" +
+                "name='" + name + '\'' +
+                ", students=" + classes +
+                '}';
+    }
+
+    public int getAllStudentsCount() {
+        int studentsCount = 0;
+
+        for (int students : classes) {
+            studentsCount += students;
+        }
+
+        return studentsCount;
+    }
+}

kodilla-collections-advanced/src/main/java/com/kodilla/collections/adv/maps/homework/SchoolDirectory.java

@@ -0,0 +1,32 @@
+package com.kodilla.collections.adv.maps.homework;
+
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Map;
+
+public class SchoolDirectory {
+    public static void main(String[] args) {
+        HashMap<Principal, School> schools = new HashMap<>();
+
+        schools.put(
+            new Principal("Omar", "Mccoy"),
+            new School("Winters Secondary School", Arrays.asList(23, 22, 24))
+        );
+
+        schools.put(
+            new Principal("Charlotte", "Lawson"),
+            new School("Pioneer Technical School", Arrays.asList(28, 31, 27))
+        );
+
+        schools.put(
+            new Principal("Sulaiman", "Macdonald"),
+            new School("Silver Valley Academy", Arrays.asList(17, 14, 16))
+        );
+
+        for (HashMap.Entry<Principal, School> school : schools.entrySet()) {
+            System.out.println("Principal: " + school.getKey().getFirstName() + " " + school.getKey().getLastName());
+            System.out.println("School name: " + school.getValue().getName());
+            System.out.println("Number of students: " + school.getValue().getAllStudentsCount());
+        }
+    }
+}

settings.gradle

@@ -3,4 +3,5 @@ include 'kodilla-intro'
 include 'kodilla-basic-tests'
 include 'kodilla-collections'
 include 'kodilla-collections'
+include 'kodilla-collections-advanced'