import javafx.application.Application; import javafx.geometry.Insets; import javafx.geometry.Pos; import javafx.scene.Scene; import javafx.scene.control.Button; import javafx.scene.layout.GridPane; import javafx.scene.layout.VBox; import javafx.scene.paint.Color; import javafx.scene.text.Font; import javafx.scene.text.FontWeight; […]
push counter
import javafx.application.Application; import javafx.event.ActionEvent; import javafx.geometry.Pos; import javafx.scene.Scene; import javafx.scene.control.Button; import javafx.scene.text.Text; import javafx.scene.layout.FlowPane; import javafx.stage.Stage; public class PushCounter extends […]
red or blue
import javafx.application.Application; import javafx.event.ActionEvent; import javafx.scene.Scene; import javafx.geometry.Pos; import javafx.scene.control.Button; import javafx.scene.layout.FlowPane; import javafx.stage.Stage; public class RedOrBlue extends Application{ private […]
postfix tester
import java.util.Stack; import java.util.Scanner; /** * Main driver class for the Postfix Expression Evaluator. */ public class PostfixTester { public […]
TestData
import java.util.Random; import java.io.*; public class TestData { public static void main(String[] args) throws IOException { final int MAX = […]
Secret
import java.util.Random; public class SecretTest { public static void main(String[] args) { Secret hush = new Secret(“What happened yesterday?”); System.out.println(“Original […]
salary
public class Firm { public static void main(String[] args) { Staff personnel = new Staff(); personnel.payday(); } } // ————————————————————————- […]
Install mysql on Mac
# 安装最新版 MySQL（默认是 9.x） brew install mysql # 启动 MySQL 服务 brew services start mysql # 初始化安全设置（设置 root 密码） mysql_secure_installation […]
Delete mysql on Mac
# 停止 MySQL 服务 brew services stop mysql # 卸载 MySQL 软件包 brew uninstall mysql # 删除数据目录（数据库文件、日志、socket 全部清空） sudo rm […]
TeamApp
import java.util.ArrayList; import java.util.Collections; public class TeamApp { private static final double MIN_GPA = 3.67; // required by the assignment […]