Create Interface.java

JAVA-OOPS/Interface.java

+interface Polygon {
+  void getArea(int length, int breadth);
+}
+
+class Rectangle implements Polygon {
+
+  public void getArea(int length, int breadth) {
+    System.out.println("The area of the rectangle is " + (length * breadth));
+  }
+}
+
+class Interface {
+  public static void main(String[] args) {
+    Rectangle r1 = new Rectangle();
+    r1.getArea(5, 6);
+  }
+}
+