"Java programming language and data structure" programming exercises answer (Chapter XIV)

"Java programming language and data structure" programming exercises answer (Chapter XIV)

英文名：Introduction to Java Programming and Data Structures, Comprehensive Version, 11th Edition

P4

import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.geometry.Orientation;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.layout.FlowPane;
import javafx.scene.paint.Color;
import javafx.scene.paint.Paint;
import javafx.scene.text.Font;
import javafx.scene.text.FontPosture;
import javafx.scene.text.FontWeight;
import javafx.scene.text.Text;
import javafx.stage.Stage;

public class Main extends Application {

@Override
public void start(Stage primaryStage) throws Exception{
    FlowPane pane = new FlowPane();
    pane.setOrientation(Orientation.HORIZONTAL);
    for(int i=0;i<5;i++){
        Text tmp = new Text("Java");
        tmp.setFont(Font.font("Times New Roman", FontWeight.BLACK, FontPosture.ITALIC,22));
        Color jj = new Color(Math.random(),Math.random(),Math.random(),Math.random());
        tmp.setFill(jj);
        tmp.setRotate(90);
        pane.getChildren().add(tmp);
    }
    //pane.setRotate(90);
    Scene scene = new Scene(pane);
    primaryStage.setTitle("problem 14.4");
    primaryStage.setScene(scene);
    primaryStage.show();
}
public static void main(String[] args) {
        launch(args);
    }
}

F5

import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.layout.Pane;
import javafx.scene.layout.StackPane;
import javafx.scene.text.Text;
import javafx.stage.Stage;

public class Main extends Application {

    @Override
    public void start(Stage primaryStage) throws Exception{
        Pane pane = new StackPane();
        String target = "WELCOME TO JAVA ";
        for(int i=0;i<target.length();i++){
            Text tmp = new Text(target.charAt(i)+"\n \n \n \n \n \n \n");
            tmp.setRotate(24*i);
            pane.getChildren().add(tmp);
        }
        Scene scene = new Scene(pane);
        primaryStage.setTitle("Problem 14.5");
        primaryStage.setScene(scene);
        primaryStage.show();
    }


    public static void main(String[] args) {
        launch(args);
    }
}

P6

mport javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.layout.Pane;
import javafx.scene.paint.Color;
import javafx.scene.shape.Rectangle;
import javafx.stage.Stage;

public class Main extends Application {

    @Override
    public void start(Stage primaryStage) throws Exception{
        Pane pane = new Pane();
        for(int i=0;i<8;i++){
            for(int j=0;j<8;j++){
                Rectangle tmp = new Rectangle();
                tmp.xProperty().bind(pane.widthProperty().divide(8).multiply(j));
                tmp.yProperty().bind(pane.heightProperty().divide(8).multiply(i));
                tmp.widthProperty().bind(pane.widthProperty().divide(8));
                tmp.heightProperty().bind(pane.heightProperty().divide(8));
                if((i%2==0&&j%2==0)||(i%2==1&&j%2==1))
                    tmp.setFill(Color.WHITE);
                else
                    tmp.setFill(Color.BLACK);
                pane.getChildren().add(tmp);
            }
        }
        Scene scene = new Scene(pane);
        primaryStage.setScene(scene);
        primaryStage.setTitle("Problem 14.6");
        primaryStage.show();
    }


    public static void main(String[] args) {
        launch(args);
    }
}

P7

import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.control.TextField;
import javafx.scene.layout.Pane;
import javafx.scene.paint.Color;
import javafx.scene.shape.Rectangle;
import javafx.stage.Stage;

public class Main extends Application {

    @Override
    public void start(Stage primaryStage) throws Exception{
        Pane pane = new Pane();
        for(int i=0;i<10;i++){
            for(int j=0;j<10;j++){
                //rectangle tmp = new Rectangle();\
                TextField tmp = new TextField();
                //tmp.set().bind(pane.widthProperty().divide(8).multiply(j));
                //tmp.yProperty().bind(pane.heightProperty().divide(8).multiply(i));

                tmp.setLayoutX(40*j+5);
                tmp.setLayoutY(25*i+5);
                tmp.setMaxWidth(40);
                tmp.setMaxHeight(10);
                tmp.setText((int)(Math.random()*2)+"");
                tmp.setCenterShape(true);
                pane.getChildren().add(tmp);
            }
        }
        Scene scene = new Scene(pane);
        primaryStage.setScene(scene);
        primaryStage.setTitle("Problem 14.6");
        primaryStage.show();
    }


    public static void main(String[] args) {
        launch(args);
    }
}

Forget it, javafx disgusting, I still use swing it

Finish