Lab2.06 completed.

Lab2.06/.gitignore

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+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### IntelliJ IDEA ###
+.idea/modules.xml
+.idea/jarRepositories.xml
+.idea/compiler.xml
+.idea/libraries/
+*.iws
+*.iml
+*.ipr
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store

Lab2.06/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>Ironhack.schl</groupId>
+    <artifactId>Lab2.06</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <properties>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+</project>

Lab2.06/src/main/java/Ironhack/schl/Banking System diagram

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+Class: User
+- username: String
+- password: String
+
+Class: Account
+- accountId: String
+- balance: Money
+- isFrozen: boolean
+
+Class: Transaction
+- transactionId: String
+- amount: Money
+- date: Date
+
+Class: Money
+- amount: double
+- currency: String
+
+Class: Admin
+- username: String
+- password: String
+
+Associations:
+- User "1" -- "0..*" Account
+- Account "1" -- "0..*" Transaction
+- Admin "1" -- "0..*" Account

Lab2.06/src/main/java/Ironhack/schl/Main.java

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+package Ironhack.schl;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class Main {
+    public static void main(String[] args) {
+        HashMap<String, Student> studentMap = new HashMap<>();
+        Student student1 = new Student("Iseult", 30);
+        Student student2 = new Student("Yolanth", 90);
+        Student student3 = new Student("Chindasvinto", 85);
+        Student student4 = new Student("Jirohito", 70);
+
+        studentMap.put(student1.getName(), student1);
+        studentMap.put(student2.getName(), student2);
+        studentMap.put(student3.getName(), student3);
+        studentMap.put(student4.getName(), student4);
+
+        increaseGrades(studentMap);
+
+        for (HashMap.Entry<String, Student> entry : studentMap.entrySet()) {
+            System.out.println("Name: " + entry.getKey() + ", Grade: " + entry.getValue().getGrade());
+        }
+    }
+
+    public static void increaseGrades(HashMap<String, Student> studentMap) {
+        for (HashMap.Entry<String, Student> entry : studentMap.entrySet()) {
+            entry.getValue().increaseGrade();
+        }
+    }
+}

Lab2.06/src/main/java/Ironhack/schl/Student.java

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+package Ironhack.schl;
+
+
+public class Student {
+    private String name;
+    private int grade = 0;
+
+    public Student(String name, int grade) {
+        this.name = name;
+        this.grade = grade;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public int getGrade() {
+        return this.grade;
+    }
+
+    public int setGrade(int grade) throws IllegalArgumentException {
+        if (grade >= 0 && grade <= 100) {
+            return grade;
+        } else {
+            throw new IllegalArgumentException("Grade must be between 0 and 100");
+        }
+    }
+
+    public void increaseGrade() throws IllegalArgumentException {
+        int newGrade;
+        if (grade >= 0 && grade <= 100) {
+            grade = grade*11/10;
+            newGrade = grade;
+        } else {
+            throw new IllegalArgumentException("Grade must be between 0 and 100");
+        }
+    }
+}