Initial commit

Experiment/src/Exp3/Task1/Rectangle.java

@@ -0,0 +1,43 @@
+package Exp3.Task1;
+
+import static java.lang.Math.abs;
+
+public class Rectangle {
+    private double lx, ly, rx, ry;
+    public Rectangle(double rx, double ry) {
+        this.lx = 0;
+        this.ly = 0;
+        this.rx = rx;
+        this.ry = ry;
+    }
+    public Rectangle(double lx, double ly, double rx, double ry) {
+        this.lx = lx;
+        this.ly = ly;
+        this.rx = rx;
+        this.ry = ry;
+    }
+    public double getAttribute(String attribute) {
+        return switch (attribute) {
+            case "lx" -> lx;
+            case "ly" -> ly;
+            case "rx" -> rx;
+            case "ry" -> ry;
+            default -> 0;
+        };
+    }
+    public void setAttribute(String attribute, double value) {
+        switch (attribute) {
+            case "lx": lx = value; break;
+            case "ly": ly = value; break;
+            case "rx": rx = value; break;
+            case "ry": ry = value; break;
+            default: System.out.println("Invalid attribute"); break;
+        }
+    }
+    public double getC() {
+        return 2 * (abs(rx - lx) + abs(ry - ly));
+    }
+    public double getArea() {
+        return abs((rx - lx) * (ry - ly));
+    }
+}