Records

src/Records/Records.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="jdk" jdkName="openjdk-24" jdkType="JavaSDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

src/Records/src/Classroom.java

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+public record Classroom(int grade, Student[] students, int classNum) {
+
+
+
+}

src/Records/src/Main.java

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+public class Main {
+    public static void main(String[] args) {
+        ex6();
+    }
+
+    public static void ex6() {
+        Student s1 = new Student("Yahli", 3);
+        System.out.println(s1.toString());
+        if (s1.isHighSchool()) {
+            System.out.println("The student is highschool");
+        } else System.out.println("The student is not highschool");
+    }
+
+    public static Classroom[] sorter(Student[] students) {
+        int[] grade = new int[students.length];
+        int[] classNum = new int[students.length];
+        boolean isClassInArr = false;
+        int classCounter = 0;
+
+        for (int i = 0; i < students.length; i++) {
+            if (isClassInArr) {
+                grade[classCounter] = students[i].grade();
+                classNum[classCounter] = students[i].classNum();
+                classCounter++;
+            }
+            for (int j = 0; j < students.length; j++) {
+                if (grade[j] == students[i].grade() && classNum[j] == students[i].classNum()) {
+                    isClassInArr = false;
+                } else {
+                    isClassInArr = true;
+                }
+            }
+        }
+
+        Classroom[] sorted = new Classroom[classCounter];
+        int classCount = 0;
+        int howManyClasses = 0;
+        boolean isInThisClass = false;
+        Student[] studentsIntoClass = new Student[students.length];
+
+        for (int i = 0; i < sorted.length; i++) {
+            Student[] studentsGoingIn = new Student[classCount];
+            for (int j = 0; j < studentsGoingIn.length; j++) {
+                studentsGoingIn[j] = studentsIntoClass[j];
+            }
+            sorted[howManyClasses] = new Classroom(grade[i], studentsGoingIn, classNum[i]);
+
+            for (int j = 0; i < students.length; i++) {
+                int intoClassCounter = 0;
+
+                if (isInThisClass) {
+                    studentsIntoClass[classCount] = students[i];
+                    classCount++;
+                }
+
+                for (int k = 0; k < students.length; k++) {
+                    if (grade[k] == students[j].grade() && classNum[k] == students[j].classNum()) {
+                        isInThisClass = true;
+                        intoClassCounter++;
+                    }
+                }
+            }
+            howManyClasses++;
+        }
+
+            return sorted;
+    }
+}

src/Records/src/Student.java

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+ public record Student(String name, int grade, int classNum) {
+
+    public String toString() {
+        return name+" is a student in the "+ grade+ "th grade and class number "+classNum;
+    }
+    private static final int DEFAULT_GRADE = 9;
+    private static final int IS_IN_HIGHSCHOOL = 10;
+
+
+    public Student(String name, int classNum) {
+        this(name,DEFAULT_GRADE,classNum);
+    }
+
+    public boolean isHighSchool() {
+        return (this.grade >= IS_IN_HIGHSCHOOL);
+    }
+ }