diff --git a/mycode/calculator.java b/mycode/calculator.java
new file mode 100644
index 0000000..bf454e2
--- /dev/null
+++ b/mycode/calculator.java
@@ -0,0 +1,29 @@
+public class calculator {
+    private int a,b;
+
+    public calculator() {
+    }
+
+    public calculator(int a, int b){
+        this.a=a;
+        this.b=b;
+
+    }
+
+    public int add(){
+        return a+b;
+    }
+
+    public int substract(){
+        return a-b;
+
+    }
+
+    public int div(){
+        return a/b;
+    }
+
+    public int mul(){
+        return a*b;
+    }
+}
diff --git a/mycode/student.java b/mycode/student.java
new file mode 100644
index 0000000..23218c4
--- /dev/null
+++ b/mycode/student.java
@@ -0,0 +1,30 @@
+public class student {
+    private String name;
+    private int id;
+
+    public student(){}
+    public student(String name,int id){
+        this.name=name;
+        this.id=id;
+
+    }
+    public String getname(){
+        return name;
+    }
+
+    public int getid(){
+        return id;
+    }
+
+    public void setname(String name){
+        this.name=name;
+    }
+    public void setid(int id){
+        this.id=id;
+    }
+
+    public void print(){
+        System.out.println("Name: "+name+", Id: "+id);
+    }
+
+}