陈永锐提交项目

Calculater/src/Calculater.java

@@ -7,9 +7,7 @@ import javafx.scene.control.Label;
 import javafx.scene.layout.GridPane;
 import javafx.scene.layout.VBox;
 import javafx.stage.Stage;
-
 public class Calculater extends Application {
-
     private Label display;
     private double firstNumber = 0;
     private String operator = "";