Initial Commit

2022-10-07 00:22:46 -03:00
commit bdcf6d3e1c
465 changed files with 15466 additions and 0 deletions
--- a/Code/Assignment9/src/GPACalculator.java
+++ b/Code/Assignment9/src/GPACalculator.java
@ -0,0 +1,106 @@
+import javafx.application.Application;
+import javafx.event.ActionEvent;
+import javafx.geometry.Insets;
+import javafx.geometry.Pos;
+import javafx.scene.Scene;
+import javafx.scene.control.Button;
+import javafx.scene.control.TextField;
+import javafx.scene.layout.FlowPane;
+import javafx.scene.text.Text;
+import javafx.stage.Stage;
+
+import java.text.DecimalFormat;
+
+public class GPACalculator extends Application {
+    FlowPane flowPane = new FlowPane();
+    Text textPointsForCourse = new Text("Welcome to my GPA Calculator!");
+    Text textCumulativeGPA = new Text("Enter your 1ˢᵗ grade and credit hrs.");
+    TextField textFieldCLG = new TextField("");
+    TextField textFieldCCH = new TextField("");
+    Text textCLG = new Text("Course letter grade:");
+    Text textCCH = new Text("Course Credit hours:");
+    Button buttonAddGPA = new Button("Add to GPA");
+    Button buttonClearGPA = new Button("Clear GPA");
+    double GPA;
+    double totalCreditHours;
+    double totalGradePoints;
+
+    public static void main(String[] args) {
+        launch(args);
+    }
+    @Override
+    public void start(Stage primaryStage) {
+        primaryStage.setTitle("GPA Calculator");
+        flowPane.setPadding(new Insets(10, 10, 10, 10));
+        flowPane.setHgap(10);
+        flowPane.setVgap(10);
+        flowPane.setAlignment(Pos.CENTER);
+
+        buttonAddGPA.setOnAction(this::AddGPA);
+        buttonClearGPA.setOnAction(this::ClearGPA);
+
+        textFieldCCH.setPrefWidth(50);
+        textFieldCCH.setOnAction(this::AddGPA);
+        textFieldCLG.setPrefWidth(50);
+        textFieldCLG.setOnAction(actionEvent -> textFieldCCH.requestFocus());
+
+        flowPane.getChildren().addAll(
+                textCLG, textFieldCLG,
+                textCCH, textFieldCCH,
+                buttonAddGPA, buttonClearGPA,
+                textPointsForCourse,
+                textCumulativeGPA);
+
+        primaryStage.setScene(new Scene(flowPane, 210, 190));
+        primaryStage.setResizable(false);
+        primaryStage.show();
+    }
+
+    private void ClearGPA(ActionEvent actionEvent) {
+        textCumulativeGPA.setText("Enter your 1ˢᵗ grade and credit hrs.");
+        textPointsForCourse.setText("Totals have been reset");
+        textFieldCCH.setText("");
+        textFieldCLG.setText("");
+        totalCreditHours = 0;
+        totalGradePoints= 0;
+        GPA = 0;
+    }
+    private void AddGPA(ActionEvent actionEvent) {
+        double creditHours = Double.parseDouble(textFieldCCH.getText());
+        double gradePoints = 0;
+        String letterGrade = textFieldCLG.getText();
+        switch (letterGrade.toUpperCase()) {
+            case "A+":
+                gradePoints = 4.3*creditHours; break;
+            case "A":
+                gradePoints = 4.0*creditHours; break;
+            case "A-":
+                gradePoints = 3.7*creditHours; break;
+            case "B+":
+                gradePoints = 3.3*creditHours; break;
+            case "B":
+                gradePoints = 3.0*creditHours; break;
+            case "B-":
+                gradePoints = 2.7*creditHours; break;
+            case "C+":
+                gradePoints = 2.3*creditHours; break;
+            case "C":
+                gradePoints = 2.0*creditHours; break;
+            case "D":
+                gradePoints = 1.0*creditHours; break;
+            case "F":
+            case "WF":
+                gradePoints = 0.0; break;
+            default:
+                textPointsForCourse.setText("Invalid Grade - GPA not changed");
+                break;
+        }
+
+        DecimalFormat df = new DecimalFormat("#.0");
+        textPointsForCourse.setText("Points for this course: " + df.format(gradePoints));
+        totalCreditHours = totalCreditHours + Double.parseDouble(textFieldCCH.getText());
+        totalGradePoints = totalGradePoints + gradePoints;
+        GPA = totalGradePoints/totalCreditHours;
+        textCumulativeGPA.setText("Your cumulative GPA is: " + df.format(GPA));
+    }
+}