From 645cfb6ec24a046654b8316d145cb5303dd1c2ab Mon Sep 17 00:00:00 2001
From: saif17313 <saif2107017@stud.kuet.ac.bd>
Date: Sun, 21 Sep 2025 09:50:03 +0600
Subject: [PATCH 1/4] Added a Java Class

---
 Student.java | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 Student.java

diff --git a/Student.java b/Student.java
new file mode 100644
index 0000000..36c50fe
--- /dev/null
+++ b/Student.java
@@ -0,0 +1,15 @@
+public class Student {
+    private String name;
+    private int age;
+
+    public Student(String name, int age) {
+        this.name = name;
+        this.age = age;
+    }
+
+    public String getName() { return name; }
+    public void setName(String name) { this.name = name; }
+
+    public int getAge() { return age; }
+    public void setAge(int age) { this.age = age; }
+}

From 515ee16e9b38403cf06c41fda6c77f9884ecb474 Mon Sep 17 00:00:00 2001
From: saif17313 <saif2107017@stud.kuet.ac.bd>
Date: Sun, 21 Sep 2025 09:53:51 +0600
Subject: [PATCH 2/4] Calculator class added

---
 Calculator.java | 8 ++++++++
 1 file changed, 8 insertions(+)
 create mode 100644 Calculator.java

diff --git a/Calculator.java b/Calculator.java
new file mode 100644
index 0000000..dc13efd
--- /dev/null
+++ b/Calculator.java
@@ -0,0 +1,8 @@
+package Git.JAVA;
+
+public class Calculator {
+    public int add(int a, int b) { return a + b; }
+    public int subtract(int a, int b) { return a - b; }
+    public int multiply(int a, int b) { return a * b; }
+    public int divide(int a, int b) { return a / b; }
+}

From bf71cfa55dbc31fbe4d315480012a9a85e9e697a Mon Sep 17 00:00:00 2001
From: saif17313 <saif2107017@stud.kuet.ac.bd>
Date: Sun, 21 Sep 2025 10:00:40 +0600
Subject: [PATCH 3/4] return type double

---
 Calculator.java | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Calculator.java b/Calculator.java
index dc13efd..2c4bace 100644
--- a/Calculator.java
+++ b/Calculator.java
@@ -1,8 +1,8 @@
 package Git.JAVA;
 
 public class Calculator {
-    public int add(int a, int b) { return a + b; }
-    public int subtract(int a, int b) { return a - b; }
-    public int multiply(int a, int b) { return a * b; }
-    public int divide(int a, int b) { return a / b; }
+    public double add(int a, int b) { return a + b; }
+    public double subtract(int a, int b) { return a - b; }
+    public double multiply(int a, int b) { return a * b; }
+    public double divide(int a, int b) { return a / (double)b; }
 }

From b56c8e52ac4f9ee3ae15ccd1fb00c1baf368a745 Mon Sep 17 00:00:00 2001
From: saif17313 <saif2107017@stud.kuet.ac.bd>
Date: Sun, 21 Sep 2025 10:02:02 +0600
Subject: [PATCH 4/4] int

---
 Calculator.java | 8 ++++++++
 1 file changed, 8 insertions(+)
 create mode 100644 Calculator.java

diff --git a/Calculator.java b/Calculator.java
new file mode 100644
index 0000000..dc13efd
--- /dev/null
+++ b/Calculator.java
@@ -0,0 +1,8 @@
+package Git.JAVA;
+
+public class Calculator {
+    public int add(int a, int b) { return a + b; }
+    public int subtract(int a, int b) { return a - b; }
+    public int multiply(int a, int b) { return a * b; }
+    public int divide(int a, int b) { return a / b; }
+}