diff --git a/myaddition/Calculator.java b/myaddition/Calculator.java
new file mode 100644
index 000000000000..344572a828b1
--- /dev/null
+++ b/myaddition/Calculator.java
@@ -0,0 +1,6 @@
+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 double divide(int a, int b) { return (double)a / b; }
+}
\ No newline at end of file
diff --git a/myaddition/Student.java b/myaddition/Student.java
new file mode 100644
index 000000000000..432c6261936a
--- /dev/null
+++ b/myaddition/Student.java
@@ -0,0 +1,12 @@
+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 void setName(String name) { this.name = name; }
+    public int getId() { return id; }
+    public void setId(int id) { this.id = id; }
+}
\ No newline at end of file