《Java语言程序设计与数据结构》编程练习答案（第十四章）

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 {
   @Overridepublic 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);    }}

P5

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

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);    }}

算了算了，javafx真恶心，我还是用swing吧