java输入生成姓名学号

可以使用Java的Scanner类来实现输入生成姓名和学号的功能。首先，你需要在代码中引入Scanner类，然后使用它来获取用户输入的姓名和学号。下面是一个示例代码：

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        // 创建Scanner对象
        Scanner scanner = new Scanner(System.in);

        // 提示用户输入姓名
        System.out.print("请输入您的姓名：");
        String name = scanner.nextLine();

        // 提示用户输入学号
        System.out.print("请输入您的学号：");
        String studentId = scanner.nextLine();

        // 输出生成的姓名和学号
        System.out.println("生成的姓名：" + name);
        System.out.println("生成的学号：" + studentId);

        // 关闭Scanner对象
        scanner.close();
    }
}

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生成JAVA教学管理系统代码

以下是一个简单的JAVA教学管理系统代码，包含了学生信息的增删改查和成绩管理功能。代码中使用了MySQL数据库来存储学生信息和成绩数据，使用了JDBC技术来进行数据库操作。请注意替换代码中的数据库连接信息和表名等参数。

import java.sql.*;

public class StudentManagementSystem {

    // 数据库连接信息，请根据实际情况修改
    private static final String JDBC_URL = "jdbc:mysql://localhost:3306/test";
    private static final String JDBC_USERNAME = "root";
    private static final String JDBC_PASSWORD = "123456";

    // 数据库表名，请根据实际情况修改
    private static final String STUDENT_TABLE = "students";
    private static final String SCORE_TABLE = "scores";

    // 查询学生信息
    public static void queryStudent(String id) {
        Connection conn = null;
        PreparedStatement stmt = null;
        ResultSet rs = null;
        try {
            conn = DriverManager.getConnection(JDBC_URL, JDBC_USERNAME, JDBC_PASSWORD);
            String sql = "SELECT * FROM " + STUDENT_TABLE + " WHERE id = ?";
            stmt = conn.prepareStatement(sql);
            stmt.setString(1, id);
            rs = stmt.executeQuery();
            if (rs.next()) {
                String name = rs.getString("name");
                int age = rs.getInt("age");
                String gender = rs.getString("gender");
                System.out.println("学号：" + id + " 姓名：" + name + " 年龄：" + age + " 性别：" + gender);
            } else {
                System.out.println("学号为 " + id + " 的学生不存在");
            }
        } catch (SQLException e) {
            e.printStackTrace();
        } finally {
            try {
                if (rs != null) {
                    rs.close();
                }
                if (stmt != null) {
                    stmt.close();
                }
                if (conn != null) {
                    conn.close();
                }
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
    }

    // 添加学生信息
    public static void addStudent(String id, String name, int age, String gender) {
        Connection conn = null;
        PreparedStatement stmt = null;
        try {
            conn = DriverManager.getConnection(JDBC_URL, JDBC_USERNAME, JDBC_PASSWORD);
            String sql = "INSERT INTO " + STUDENT_TABLE + " (id, name, age, gender) VALUES (?, ?, ?, ?)";
            stmt = conn.prepareStatement(sql);
            stmt.setString(1, id);
            stmt.setString(2, name);
            stmt.setInt(3, age);
            stmt.setString(4, gender);
            int result = stmt.executeUpdate();
            if (result == 1) {
                System.out.println("添加学生信息成功");
            } else {
                System.out.println("添加学生信息失败");
            }
        } catch (SQLException e) {
            e.printStackTrace();
        } finally {
            try {
                if (stmt != null) {
                    stmt.close();
                }
                if (conn != null) {
                    conn.close();
                }
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
    }

    // 修改学生信息
    public static void updateStudent(String id, String name, int age, String gender) {
        Connection conn = null;
        PreparedStatement stmt = null;
        try {
            conn = DriverManager.getConnection(JDBC_URL, JDBC_USERNAME, JDBC_PASSWORD);
            String sql = "UPDATE " + STUDENT_TABLE + " SET name = ?, age = ?, gender = ? WHERE id = ?";
            stmt = conn.prepareStatement(sql);
            stmt.setString(1, name);
            stmt.setInt(2, age);
            stmt.setString(3, gender);
            stmt.setString(4, id);
            int result = stmt.executeUpdate();
            if (result == 1) {
                System.out.println("修改学生信息成功");
            } else {
                System.out.println("修改学生信息失败");
            }
        } catch (SQLException e) {
            e.printStackTrace();
        } finally {
            try {
                if (stmt != null) {
                    stmt.close();
                }
                if (conn != null) {
                    conn.close();
                }
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
    }

    // 删除学生信息
    public static void deleteStudent(String id) {
        Connection conn = null;
        PreparedStatement stmt = null;
        try {
            conn = DriverManager.getConnection(JDBC_URL, JDBC_USERNAME, JDBC_PASSWORD);
            String sql = "DELETE FROM " + STUDENT_TABLE + " WHERE id = ?";
            stmt = conn.prepareStatement(sql);
            stmt.setString(1, id);
            int result = stmt.executeUpdate();
            if (result == 1) {
                System.out.println("删除学生信息成功");
            } else {
                System.out.println("删除学生信息失败");
            }
        } catch (SQLException e) {
            e.printStackTrace();
        } finally {
            try {
                if (stmt != null) {
                    stmt.close();
                }
                if (conn != null) {
                    conn.close();
                }
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
    }

    // 输入学生成绩
    public static void inputScore(String id, int score) {
        Connection conn = null;
        PreparedStatement stmt = null;
        try {
            conn = DriverManager.getConnection(JDBC_URL, JDBC_USERNAME, JDBC_PASSWORD);
            String sql = "INSERT INTO " + SCORE_TABLE + " (id, score) VALUES (?, ?)";
            stmt = conn.prepareStatement(sql);
            stmt.setString(1, id);
            stmt.setInt(2, score);
            int result = stmt.executeUpdate();
            if (result == 1) {
                System.out.println("输入学生成绩成功");
            } else {
                System.out.println("输入学生成绩失败");
            }
        } catch (SQLException e) {
            e.printStackTrace();
        } finally {
            try {
                if (stmt != null) {
                    stmt.close();
                }
                if (conn != null) {
                    conn.close();
                }
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
    }

    // 查询成绩排行榜
    public static void queryScoreRank() {
        Connection conn = null;
        PreparedStatement stmt = null;
        ResultSet rs = null;
        try {
            conn = DriverManager.getConnection(JDBC_URL, JDBC_USERNAME, JDBC_PASSWORD);
            String sql = "SELECT s.id, st.name, s.score FROM " + SCORE_TABLE + " s JOIN " + STUDENT_TABLE + " st ON s.id = st.id ORDER BY s.score DESC";
            stmt = conn.prepareStatement(sql);
            rs = stmt.executeQuery();
            int rank = 1;
            while (rs.next()) {
                String id = rs.getString("id");
                String name = rs.getString("name");
                int score = rs.getInt("score");
                System.out.println("排名：" + rank + " 学号：" + id + " 姓名：" + name + " 成绩：" + score);
                rank++;
            }
        } catch (SQLException e) {
            e.printStackTrace();
        } finally {
            try {
                if (rs != null) {
                    rs.close();
                }
                if (stmt != null) {
                    stmt.close();
                }
                if (conn != null) {
                    conn.close();
                }
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
    }

    // 查询成绩分布图
    public static void queryScoreDistribution() {
        Connection conn = null;
        PreparedStatement stmt = null;
        ResultSet rs = null;
        try {
            conn = DriverManager.getConnection(JDBC_URL, JDBC_USERNAME, JDBC_PASSWORD);
            String sql = "SELECT COUNT(*) AS cnt, FLOOR(score / 10) * 10 AS range FROM " + SCORE_TABLE + " GROUP BY FLOOR(score / 10) * 10 ORDER BY range";
            stmt = conn.prepareStatement(sql);
            rs = stmt.executeQuery();
            while (rs.next()) {
                int cnt = rs.getInt("cnt");
                int range = rs.getInt("range");
                System.out.println(range + "-" + (range + 9) + "分：" + cnt + "人");
            }
        } catch (SQLException e) {
            e.printStackTrace();
        } finally {
            try {
                if (rs != null) {
                    rs.close();
                }
                if (stmt != null) {
                    stmt.close();
                }
                if (conn != null) {
                    conn.close();
                }
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
    }

    public static void main(String[] args) {
        // 查询学生信息
        queryStudent("001");

        // 添加学生信息
        addStudent("002", "张三", 20, "男");

        // 修改学生信息
        updateStudent("002", "张三", 21, "男");

        // 删除学生信息
        deleteStudent("002");

        // 输入学生成绩
        inputScore("001", 80);

        // 查询成绩排行榜
        queryScoreRank();

        // 查询成绩分布图
        queryScoreDistribution();
    }

}

希望以上代码能够对您有所帮助。如果您有其他问题或者需要更详细的解答，请随时提出。

生成一个窗口，包含姓名 学号 班级 性别 兴趣爱好，确定按钮和取消按钮

以下是使用Java Swing库生成一个包含姓名、学号、班级、性别、兴趣爱好、确定按钮和取消按钮的窗口的示例代码：

import javax.swing.*;

public class MyWindow {
  public static void main(String[] args) {
    // 创建 JFrame 对象
    JFrame frame = new JFrame("My Window");
    frame.setSize(400, 300);
    frame.setLayout(null);

    // 创建标签和文本框
    JLabel nameLabel = new JLabel("姓名:");
    nameLabel.setBounds(50, 50, 50, 20);
    JTextField nameField = new JTextField();
    nameField.setBounds(110, 50, 200, 20);

    JLabel idLabel = new JLabel("学号:");
    idLabel.setBounds(50, 80, 50, 20);
    JTextField idField = new JTextField();
    idField.setBounds(110, 80, 200, 20);

    JLabel classLabel = new JLabel("班级:");
    classLabel.setBounds(50, 110, 50, 20);
    JTextField classField = new JTextField();
    classField.setBounds(110, 110, 200, 20);

    JLabel genderLabel = new JLabel("性别:");
    genderLabel.setBounds(50, 140, 50, 20);
    JRadioButton maleRadioButton = new JRadioButton("男");
    maleRadioButton.setBounds(110, 140, 50, 20);
    JRadioButton femaleRadioButton = new JRadioButton("女");
    femaleRadioButton.setBounds(170, 140, 50, 20);
    ButtonGroup genderGroup = new ButtonGroup();
    genderGroup.add(maleRadioButton);
    genderGroup.add(femaleRadioButton);

    JLabel hobbyLabel = new JLabel("兴趣爱好:");
    hobbyLabel.setBounds(50, 170, 70, 20);
    JCheckBox sportCheckBox = new JCheckBox("运动");
    sportCheckBox.setBounds(120, 170, 60, 20);
    JCheckBox musicCheckBox = new JCheckBox("音乐");
    musicCheckBox.setBounds(180, 170, 60, 20);
    JCheckBox artCheckBox = new JCheckBox("艺术");
    artCheckBox.setBounds(240, 170, 60, 20);

    // 创建按钮
    JButton okButton = new JButton("确定");
    okButton.setBounds(100, 220, 80, 30);
    JButton cancelButton = new JButton("取消");
    cancelButton.setBounds(220, 220, 80, 30);

    // 将组件添加到窗口
    frame.add(nameLabel);
    frame.add(nameField);
    frame.add(idLabel);
    frame.add(idField);
    frame.add(classLabel);
    frame.add(classField);
    frame.add(genderLabel);
    frame.add(maleRadioButton);
    frame.add(femaleRadioButton);
    frame.add(hobbyLabel);
    frame.add(sportCheckBox);
    frame.add(musicCheckBox);
    frame.add(artCheckBox);
    frame.add(okButton);
    frame.add(cancelButton);

    // 设置窗口可见
    frame.setVisible(true);
  }
}

这个示例创建了一个JFrame对象，设置了大小为400x300，关闭操作为默认操作。接着创建了标签和文本框，用于输入姓名、学号和班级信息。创建了性别和兴趣爱好的单选框和复选框。最后创建了确定按钮和取消按钮。将所有组件添加到窗口中，并将窗口设为可见状态。你可以根据需要修改窗口的属性和添加组件。