diff --git a/Rectangle/julia/main.jl b/Rectangle/julia/main.jl
new file mode 100644
index 0000000..591e9aa
--- /dev/null
+++ b/Rectangle/julia/main.jl
@@ -0,0 +1,116 @@
+# Concepts: Structs, methods, associated functions
+
+# Define Rectangle struct with width and height. Implement:
+
+# area(&self) -> f64
+
+# can_hold(&self, other: &Rectangle) -> bool
+
+# square(size: f64) -> Rectangle (associated function, a.k.a "static method")
+
+
+# ---------------------------------------------- 100 --------------------------------------------- #
+
+ 
+
+struct Rectangle
+  width::AbstractFloat
+  hight::AbstractFloat
+end
+
+function square_rec(l:AbstractFloat)
+  return Rectangle(l, l)
+end
+
+function area(rec::Rectangle)::AbstractFloat
+  return rec.width * rec.hight
+end
+
+function can_hold(rec_holder::Rectangle, rec_insert::Rectangle)::Bool
+  width_holdable = false
+  hight_holdable = false
+  if rec_holder.width > rec_insert.width || rec_holder.width > rec_insert.hight
+    width_holdable = true
+  end
+
+  if rec_holder.hight > rec_insert.hight || rec_holder.hight > rec_insert.width
+    hight_holdable = true
+  end
+  
+  return hight_holdable == width_holdable
+end
+
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diff --git a/Rectangle/rust/.gitignore b/Rectangle/rust/.gitignore
new file mode 100644
index 0000000..9f97022
--- /dev/null
+++ b/Rectangle/rust/.gitignore
@@ -0,0 +1 @@
+target/
\ No newline at end of file
diff --git a/Rectangle/rust/Cargo.lock b/Rectangle/rust/Cargo.lock
new file mode 100644
index 0000000..b9d42e1
--- /dev/null
+++ b/Rectangle/rust/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "rust"
+version = "0.1.0"
diff --git a/Rectangle/rust/Cargo.toml b/Rectangle/rust/Cargo.toml
new file mode 100644
index 0000000..1c61e9e
--- /dev/null
+++ b/Rectangle/rust/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "rust"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
diff --git a/Rectangle/rust/README.md b/Rectangle/rust/README.md
new file mode 100644
index 0000000..e69de29
diff --git a/Rectangle/rust/src/main.rs b/Rectangle/rust/src/main.rs
new file mode 100644
index 0000000..110535c
--- /dev/null
+++ b/Rectangle/rust/src/main.rs
@@ -0,0 +1,116 @@
+// Problem 4: Rectangle with Methods
+// Concepts: Structs, methods, associated functions
+
+// Define Rectangle struct with width and height. Implement:
+
+// area(&self) -> f64
+
+// can_hold(&self, other: &Rectangle) -> bool
+
+// square(size: f64) -> Rectangle (associated function, a.k.a "static method")
+
+/* --------------------------------------------- 100 -------------------------------------------- */
+
+struct Rectangle {
+  width:u64,
+  hight:u64,
+}
+
+
+impl Rectangle {
+  fn square_rectangle(l:u64) -> Rectangle {
+    return Rectangle { width: l, hight: l };
+  }
+
+  fn can_hold(& self, rect_insert:& Rectangle) -> bool {
+    let mut width_holdable = false;
+    let mut hight_holdable = false;
+    if self.width > rect_insert.width || self.width > rect_insert.hight {
+      width_holdable = true;
+    }
+    if self.hight > rect_insert.width || self.hight > rect_insert.hight {
+      hight_holdable = true;
+    }
+
+    let mut hold_result = false;
+    if width_holdable == true && hight_holdable == true {
+      hold_result = true;
+    }
+
+
+    return hold_result;
+  }
+
+  fn area(& self) -> u64 {
+    return self.hight * self.width
+  }
+
+}
+
+
+
+
+
+
+
+
+
+fn main() {
+  let rec1 = Rectangle::square_rectangle(20);
+  let h = rec1.hight;
+  let w = rec1.width;
+  println!("{w} {h}");
+
+  let rec2 = Rectangle{width:6, hight:10};
+  let holdable = rec1.can_hold(&rec2);
+
+  println!("{holdable}");
+
+  let rec2area = rec2.area();
+  println!("rec2 area {rec2area}");
+}
+
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