From 9953860ce4aabda3b0932736be849091924bcf76 Mon Sep 17 00:00:00 2001
From: rafsaniShazid <rafsanishazid@gmail.com>
Date: Sat, 20 Sep 2025 15:35:16 +0600
Subject: [PATCH 1/6] added student.java

---
 .../com/thealgorithms/student/Student.java     | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 src/main/java/com/thealgorithms/student/Student.java

diff --git a/src/main/java/com/thealgorithms/student/Student.java b/src/main/java/com/thealgorithms/student/Student.java
new file mode 100644
index 000000000000..1b0f8467941d
--- /dev/null
+++ b/src/main/java/com/thealgorithms/student/Student.java
@@ -0,0 +1,18 @@
+
+public class Student {
+    public String name;
+    private  int ID;
+    public double cgpa;
+
+    public Student() {
+        this.name= "";
+        this.ID=0;
+        this.cgpa=0.0;
+    }
+    public Student(String name,int id,double cgpa){
+        this.name = name;
+        ID= id;
+        this.cgpa=cgpa;
+    }
+    
+}

From ff3f59db78de121f252d0c898e814d24d112d007 Mon Sep 17 00:00:00 2001
From: rafsaniShazid <rafsanishazid@gmail.com>
Date: Sat, 20 Sep 2025 15:51:31 +0600
Subject: [PATCH 2/6] added calculator class

---
 .../com/thealgorithms/student/Calculator.java | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 src/main/java/com/thealgorithms/student/Calculator.java

diff --git a/src/main/java/com/thealgorithms/student/Calculator.java b/src/main/java/com/thealgorithms/student/Calculator.java
new file mode 100644
index 000000000000..9dc8fbd2a601
--- /dev/null
+++ b/src/main/java/com/thealgorithms/student/Calculator.java
@@ -0,0 +1,22 @@
+public class Calculator {
+	public int a;
+    public int b;
+
+    public Calculator(int a,int b){
+        this.a=a;
+        this.b=b;
+    }
+    public int add(){
+        return this.a+this.b;
+    }
+    public int substract(){
+        return this.a-this.b;
+    }
+    public int multiply(){
+        return this.a*this.b;
+    }
+    public int divide(){
+        return this.a/this.b;
+    }
+    
+}

From 80622e6ccd3b63cff1d8189779d92aeee44e8a51 Mon Sep 17 00:00:00 2001
From: rafsaniShazid <rafsanishazid@gmail.com>
Date: Sat, 20 Sep 2025 16:15:42 +0600
Subject: [PATCH 3/6] added calculator demo

---
 src/main/java/com/thealgorithms/student/Calculator.java | 6 ++++++
 1 file changed, 6 insertions(+)
 create mode 100644 src/main/java/com/thealgorithms/student/Calculator.java

diff --git a/src/main/java/com/thealgorithms/student/Calculator.java b/src/main/java/com/thealgorithms/student/Calculator.java
new file mode 100644
index 000000000000..7648cb51b5c2
--- /dev/null
+++ b/src/main/java/com/thealgorithms/student/Calculator.java
@@ -0,0 +1,6 @@
+// Simple Calculator
+public class Calculator {
+    public int add(int a, int b) {
+        return a + b;
+    }
+}
\ No newline at end of file

From c0a4634f80a4b16bc8c69266b565b563e61ab545 Mon Sep 17 00:00:00 2001
From: rafsaniShazid <rafsanishazid@gmail.com>
Date: Sat, 20 Sep 2025 16:19:06 +0600
Subject: [PATCH 4/6] modified calculator

---
 .../com/thealgorithms/student/Calculator.java | 29 +++++++------------
 1 file changed, 11 insertions(+), 18 deletions(-)

diff --git a/src/main/java/com/thealgorithms/student/Calculator.java b/src/main/java/com/thealgorithms/student/Calculator.java
index 9dc8fbd2a601..4347a0b2149b 100644
--- a/src/main/java/com/thealgorithms/student/Calculator.java
+++ b/src/main/java/com/thealgorithms/student/Calculator.java
@@ -1,22 +1,15 @@
+// Advanced Calculator with error handling
 public class Calculator {
-	public int a;
-    public int b;
-
-    public Calculator(int a,int b){
-        this.a=a;
-        this.b=b;
+    public double add(double a, double b) {
+        return a + b;
     }
-    public int add(){
-        return this.a+this.b;
-    }
-    public int substract(){
-        return this.a-this.b;
-    }
-    public int multiply(){
-        return this.a*this.b;
-    }
-    public int divide(){
-        return this.a/this.b;
+    
+    public double subtract(double a, double b) {
+        return a - b;
     }
     
-}
+    // Add more methods to create more significant differences
+    public String getVersion() {
+        return "Calculator v2.0";
+    }
+}
\ No newline at end of file

From 3fde52dc7b5f9efe8655c024a0991cc711df878b Mon Sep 17 00:00:00 2001
From: rafsaniShazid <rafsanishazid@gmail.com>
Date: Sat, 20 Sep 2025 19:40:12 +0600
Subject: [PATCH 5/6] added grading class

---
 src/main/java/com/thealgorithms/student/Grade.java | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 src/main/java/com/thealgorithms/student/Grade.java

diff --git a/src/main/java/com/thealgorithms/student/Grade.java b/src/main/java/com/thealgorithms/student/Grade.java
new file mode 100644
index 000000000000..e81389c5c878
--- /dev/null
+++ b/src/main/java/com/thealgorithms/student/Grade.java
@@ -0,0 +1,7 @@
+public class Grade {
+    public int id;
+    public String name;
+    public float cgpa;
+
+    public void show(){}
+}

From 0d03d9109e2bcce76acf8fe88ca83bd67472565f Mon Sep 17 00:00:00 2001
From: rafsaniShazid <rafsanishazid@gmail.com>
Date: Sat, 20 Sep 2025 22:46:24 +0600
Subject: [PATCH 6/6]  added github compilation workflows

---
 .../java/com/thealgorithms/student/.github/workflows/build.yml    | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 create mode 100644 src/main/java/com/thealgorithms/student/.github/workflows/build.yml

diff --git a/src/main/java/com/thealgorithms/student/.github/workflows/build.yml b/src/main/java/com/thealgorithms/student/.github/workflows/build.yml
new file mode 100644
index 000000000000..e69de29bb2d1