fitst commit

src/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>org.example</groupId>
+    <artifactId>src</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>
+    <dependencies>
+        <!-- https://mvnrepository.com/artifact/junit/junit -->
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.13.2</version>
+            <scope>test</scope>
+        </dependency>
+
+    </dependencies>
+
+</project>

src/src/main/java/Student.java

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+import java.util.ArrayList;
+import java.util.Scanner;
+
+public class Student {
+    public long id;
+    public String name;
+    public ArrayList<Integer> grades;
+
+    public Student(String name, long id, ArrayList<Integer> grades) {
+        this.id = id;
+        this.name = name;
+        this.grades = grades;
+    }
+
+    public Student(String name, long id) {
+        this.id = id;
+        this.name = name;
+    }
+
+    public long getId() {
+        return id;
+    }
+
+    public void setId(long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public ArrayList<Integer> getGrades() {
+        return grades;
+    }
+
+    public void setGrades(ArrayList<Integer> grades) {
+        this.grades = grades;
+    }
+    public void addGrade(int grade){
+        Integer gradeEntered = grade;
+        this.grades.add(gradeEntered);
+    }
+    public double getGradeAverage(){
+        int total = 0;
+        for(int grade : grades){
+            total+=grade;
+        }
+        return (double) total / grades.size();
+    }
+
+}

src/src/test/java/StudentTest.java

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+import org.junit.Test;
+import static org.junit.Assert.*;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+public class StudentTest {
+
+    @Test
+    public void testStudentConstructor() {
+        Student student = new Student("John Doe", 123456, new ArrayList<Integer>(List.of()));
+        assertEquals("John Doe", student.getName());
+        assertEquals(123456, student.getId());
+        assertEquals(new ArrayList<Integer>(), student.getGrades());
+    }
+
+    @Test
+    public void testAddGrade() {
+        Student student = new Student("John Doe", 123456, new ArrayList<Integer>(List.of()));
+        student.addGrade(90);
+        student.addGrade(85);
+        assertEquals(2, student.getGrades().size());
+        assertEquals(90, (int) student.getGrades().get(0));
+        assertEquals(85, (int) student.getGrades().get(1));
+    }
+
+    @Test
+    public void testGradeAverage() {
+        Student student = new Student("John Doe", 123456, new ArrayList<Integer>(List.of()));
+        student.addGrade(90);
+        student.addGrade(85);
+        assertEquals(87.5, student.getGradeAverage(), 0.0);
+    }
+}
+