ADD file via upload

ColorFilter.java

@@ -0,0 +1,30 @@
+import java.util.List;
+import java.util.ArrayList;
+
+public class ColorFilter {
+    private String targetColor;
+    
+    public ColorFilter(String targetColor) {
+        this.targetColor = targetColor;
+    }
+    
+    public List<Shape> filterByColor(List<Shape> shapes) {
+        List<Shape> filteredShapes = new ArrayList<>();
+        
+        for (Shape shape : shapes) {
+            if (shape.getColor().equalsIgnoreCase(targetColor)) {
+                filteredShapes.add(shape);
+            }
+        }
+        
+        return filteredShapes;
+    }
+    
+    public String getTargetColor() {
+        return targetColor;
+    }
+    
+    public void setTargetColor(String targetColor) {
+        this.targetColor = targetColor;
+    }
+}