From e64efdc0b6553714591f90c072ac67219298655a Mon Sep 17 00:00:00 2001
From: Afifa Sultana <afifasultana637@gmail.com>
Date: Thu, 21 Aug 2025 19:31:20 +0600
Subject: [PATCH 1/2] Added Employee class with getters, setters and
 constructor

---
 OOPExamples/Student.java | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 OOPExamples/Student.java

diff --git a/OOPExamples/Student.java b/OOPExamples/Student.java
new file mode 100644
index 000000000000..cae303d3e969
--- /dev/null
+++ b/OOPExamples/Student.java
@@ -0,0 +1,33 @@
+public class Student {
+    private String name;
+    private int age;
+    private int roll;
+
+    //constructors
+    public Student(String name, int age, int rollNo){
+        this.name = name;
+        this.age = age;
+        this.rollNo = roll;
+    }
+    //getters
+    public String getName(){ 
+        return name; 
+    }
+    public int getAge(){ 
+        return age; 
+    }
+    public int getRollNo() { 
+        return roll; 
+    }
+    //setters
+    public void setName(String name) { 
+        this.name = name; 
+    }
+    public void setAge(int age) { 
+        this.age = age; 
+    }
+    public void setRollNo(int rollNo) { 
+        this.rollNo = roll; 
+    }
+}
+

From 39165882d430b2686a0b93d2c7cc815c66b22abf Mon Sep 17 00:00:00 2001
From: Afifa Sultana <afifasultana637@gmail.com>
Date: Thu, 21 Aug 2025 19:34:57 +0600
Subject: [PATCH 2/2] Added Calculator class with basic operations

---
 OOPExamples/Calculator.java                 | 14 ++++++++++++++
 OOPExamples/{Student.java => Employee.java} | 16 ++++++++--------
 2 files changed, 22 insertions(+), 8 deletions(-)
 create mode 100644 OOPExamples/Calculator.java
 rename OOPExamples/{Student.java => Employee.java} (62%)

diff --git a/OOPExamples/Calculator.java b/OOPExamples/Calculator.java
new file mode 100644
index 000000000000..e9f02acde388
--- /dev/null
+++ b/OOPExamples/Calculator.java
@@ -0,0 +1,14 @@
+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 b != 0 ? a / b : 0; 
+    }
+}
diff --git a/OOPExamples/Student.java b/OOPExamples/Employee.java
similarity index 62%
rename from OOPExamples/Student.java
rename to OOPExamples/Employee.java
index cae303d3e969..4d0780f32477 100644
--- a/OOPExamples/Student.java
+++ b/OOPExamples/Employee.java
@@ -1,13 +1,13 @@
-public class Student {
+public class Employee {
     private String name;
     private int age;
-    private int roll;
+    private int id;
 
     //constructors
-    public Student(String name, int age, int rollNo){
+    public Employee(String name, int age, int id){
         this.name = name;
         this.age = age;
-        this.rollNo = roll;
+        this.id = id;
     }
     //getters
     public String getName(){ 
@@ -16,8 +16,8 @@ public String getName(){
     public int getAge(){ 
         return age; 
     }
-    public int getRollNo() { 
-        return roll; 
+    public int getIDNo() { 
+        return id; 
     }
     //setters
     public void setName(String name) { 
@@ -26,8 +26,8 @@ public void setName(String name) {
     public void setAge(int age) { 
         this.age = age; 
     }
-    public void setRollNo(int rollNo) { 
-        this.rollNo = roll; 
+    public void setIDNo(int id) { 
+        this.id = id; 
     }
 }