diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..ab1f416
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,10 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Ignored default folder with query files
+/queries/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
+# Editor-based HTTP Client requests
+/httpRequests/
diff --git a/.idea/compiler.xml b/.idea/compiler.xml
new file mode 100644
index 0000000..a590144
--- /dev/null
+++ b/.idea/compiler.xml
@@ -0,0 +1,13 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/encodings.xml b/.idea/encodings.xml
new file mode 100644
index 0000000..aa00ffa
--- /dev/null
+++ b/.idea/encodings.xml
@@ -0,0 +1,7 @@
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/jarRepositories.xml b/.idea/jarRepositories.xml
new file mode 100644
index 0000000..a9076af
--- /dev/null
+++ b/.idea/jarRepositories.xml
@@ -0,0 +1,20 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..eba6e1f
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,12 @@
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..35eb1dd
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/src/main/java/dev/Main.java b/src/main/java/dev/Main.java
index 19ca657..20f417e 100644
--- a/src/main/java/dev/Main.java
+++ b/src/main/java/dev/Main.java
@@ -33,32 +33,29 @@ public class Main {
List data = FileManager.loadStudents("students.txt");
- // TODO:
+ int total = data.size();
+ int partSize = total / 3;
+ int rem = total % 3;
- // Split data into 3 parts
+ int end1 = partSize + (rem > 0 ? 1 : 0);
+ int end2 = end1 + partSize + (rem > 1 ? 1 : 0);
- List part1 = null;
+ List p1 = data.subList(0, end1);
+ List p2 = data.subList(end1, end2);
+ List p3 = data.subList(end2, total);
- List part2 = null;
+ StudentLoader t1 = new StudentLoader(p1);
+ StudentLoader t2 = new StudentLoader(p2);
+ StudentLoader t3 = new StudentLoader(p3);
- List part3 = null;
+ t1.start(); t2.start(); t3.start();
+ t1.join(); t2.join(); t3.join();
- // TODO:
-
- StudentLoader t1 = null;
-
- StudentLoader t2 = null;
-
- StudentLoader t3 = null;
-
- // TODO:
-
- // start()
-
- // join()
-
- // merge results
+ manager.addStudents(t1.getStudents());
+ manager.addStudents(t2.getStudents());
+ manager.addStudents(t3.getStudents());
+ System.out.println("Students loaded.");
}
case 2 -> {
diff --git a/src/main/java/dev/model/Student.java b/src/main/java/dev/model/Student.java
index f0484f4..32593ad 100644
--- a/src/main/java/dev/model/Student.java
+++ b/src/main/java/dev/model/Student.java
@@ -40,31 +40,15 @@ public class Student {
@Override
public int hashCode() {
-
- // TODO:
- // Return custom hash
-
- // Example:
- // return id % 97;
-
- return 0;
+ return id % 97;
}
@Override
public boolean equals(Object obj) {
-
- // TODO:
-
- // Step 1:
- // Check null
-
- // Step 2:
- // Convert obj to Student
-
- // Step 3:
- // Compare IDs
-
- return false;
+ if (this == obj) return true;
+ if (obj == null || getClass() != obj.getClass()) return false;
+ Student other = (Student) obj;
+ return this.id == other.id;
}
@Override
diff --git a/src/main/java/dev/service/StudentManager.java b/src/main/java/dev/service/StudentManager.java
index 403a1c6..fb953f7 100644
--- a/src/main/java/dev/service/StudentManager.java
+++ b/src/main/java/dev/service/StudentManager.java
@@ -10,36 +10,18 @@ public class StudentManager {
private final ArrayList students = new ArrayList<>();
public void addStudents(ArrayList newStudents) {
-
- // TODO:
-
- // Merge students
-
- // Hint:
- // addAll()
-
+ students.addAll(newStudents);
}
public Student searchStudent(int id) {
-
- // TODO:
-
- // Loop through students
-
- // Compare IDs
-
+ for (Student s : students) {
+ if (s.getId() == id) return s;
+ }
return null;
}
public boolean removeStudent(int id) {
-
- // TODO:
-
- // Find student
-
- // Remove student
-
- return false;
+ return students.removeIf(s -> s.getId() == id);
}
public void printStudents() {
diff --git a/src/main/java/dev/thread/StudentLoader.java b/src/main/java/dev/thread/StudentLoader.java
index ab47522..2169d69 100644
--- a/src/main/java/dev/thread/StudentLoader.java
+++ b/src/main/java/dev/thread/StudentLoader.java
@@ -9,11 +9,11 @@ import java.util.List;
public class StudentLoader extends Thread {
- // Assigned file lines
+
private final List lines;
- // Local student storage
+
private final ArrayList students = new ArrayList<>();
@@ -24,29 +24,13 @@ public class StudentLoader extends Thread {
@Override
public void run() {
-
- // TODO:
-
- /*
- Example line:
-
- 1001,Aryan,Computer Science,3.7
- */
-
for (String line : lines) {
-
- // TODO:
- // split line
-
- // TODO:
- // read values
-
- // TODO:
- // create Student
-
- // TODO:
- // add to students list
-
+ String[] parts = line.split(",");
+ int id = Integer.parseInt(parts[0]);
+ String name = parts[1];
+ String major = parts[2];
+ double gpa = Double.parseDouble(parts[3]);
+ students.add(new Student(id, name, major, gpa));
}
}
diff --git a/src/main/java/dev/utils/FileManager.java b/src/main/java/dev/utils/FileManager.java
index da7f6f5..e8538a7 100644
--- a/src/main/java/dev/utils/FileManager.java
+++ b/src/main/java/dev/utils/FileManager.java
@@ -11,22 +11,14 @@ public class FileManager {
public static List loadStudents(String path) throws Exception {
List lines = new ArrayList<>();
-
BufferedReader reader = new BufferedReader(new FileReader(path));
String line;
-
while ((line = reader.readLine()) != null) {
-
- // TODO:
-
- // Add line to list
-
+ lines.add(line);
}
reader.close();
-
return lines;
}
-
}
\ No newline at end of file