From bf03e98bc9732f4f4cadc297f03b03fd111b9112 Mon Sep 17 00:00:00 2001
From: "Md. Zunaied Nudar" <nudar2107041@stud.kuet.ac.bd>
Date: Thu, 21 Aug 2025 18:36:13 +0600
Subject: [PATCH 1/2] Student.java added

---
 Student.java | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 Student.java

diff --git a/Student.java b/Student.java
new file mode 100644
index 00000000..07938aa6
--- /dev/null
+++ b/Student.java
@@ -0,0 +1,37 @@
+public class Student {
+    private String name;
+    private int roll;
+    private String dept;
+    private String batch;
+
+    // DEFAULT CONSTRUCTOR
+    public Student() {}
+
+    // PARAMETERIZED CONSTRUCTOR
+    public Student(String name, int roll, String dept, String batch) {
+        this.name = name;
+        this.roll = roll;
+        this.dept = dept;
+        this.batch = batch;
+    }
+
+    // COPY CONSTRUCTOR
+    public Student(Student student) {
+        this.name = student.getName();
+        this.roll = student.getRoll();
+        this.dept = student.getDept();
+        this.batch = student.getBatch();
+    }
+    
+    // GETTERS
+    public String getName() { return name; }
+    public int getRoll() { return roll; }
+    public String getDept() { return dept; }
+    public String getBatch() { return batch; }
+
+    // SETTERS
+    public void setName(String name) { this.name = name; }
+    public void setRoll(int roll) { this.roll = roll; }
+    public void setDept(String dept) { this.dept = dept; }
+    public void setBatch(String batch) { this.batch = batch; }
+}
\ No newline at end of file

From 7017e922b49cad5377fbb522060e3f5cb47aea21 Mon Sep 17 00:00:00 2001
From: "Md. Zunaied Nudar" <nudar2107041@stud.kuet.ac.bd>
Date: Thu, 21 Aug 2025 18:40:15 +0600
Subject: [PATCH 2/2] Calculator.java added in feature/calculator branch

---
 Calculator.java | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 Calculator.java

diff --git a/Calculator.java b/Calculator.java
new file mode 100644
index 00000000..96a56d0d
--- /dev/null
+++ b/Calculator.java
@@ -0,0 +1,10 @@
+public class Calculator {
+    // ADDITION
+    public double add(double a, double b) { return a + b; }
+    // SUBTRACTION
+    public double sub(double a, double b) { return a - b; }
+    // MULTIPLICATION
+    public double mul(double a, double b) { return a * b; }
+    // DIVISION
+    public double div(double a, double b) { return a / b; }
+}
\ No newline at end of file