diff --git a/rust_project/src/main.rs b/rust_project/src/main.rs
index e7a11a9..c0b36b5 100644
--- a/rust_project/src/main.rs
+++ b/rust_project/src/main.rs
@@ -1,3 +1,8 @@
+mod second;
+use second::ClassName;
+
 fn main() {
+    let object = ClassName::new(1024);
+    object.public_method();
     println!("Hello, world!");
-}
+}
\ No newline at end of file
diff --git a/rust_project/src/second.rs b/rust_project/src/second.rs
new file mode 100644
index 0000000..346a01f
--- /dev/null
+++ b/rust_project/src/second.rs
@@ -0,0 +1,20 @@
+pub struct ClassName {
+    field: i32,
+}
+
+impl ClassName {
+    pub fn new(value: i32) -> ClassName {
+        ClassName {
+            field: value
+        }
+    }
+
+    pub fn public_method(&self) {
+        println!("from public method");
+        self.private_method();
+    }
+
+    fn private_method(&self) {
+        println!("from private method");
+    }
+}
\ No newline at end of file