Java实现进程调度算法，有界面

Java实现进程调度算法的界面可以使用Swing或JavaFX框架来实现。具体实现步骤如下：

1. 设计界面布局，包括进程信息的显示区域、调度算法选择区域、操作按钮区域等。

2. 使用Java中的线程类来模拟进程的执行，可以使用Runnable接口或Thread类来实现。

3. 实现进程调度算法，常见的算法有先来先服务（FCFS）、最短作业优先（SJF）、时间片轮转（RR）等。根据用户选择的算法，对进程进行排序或调度。

4. 将调度结果显示在界面中，包括进程执行顺序、等待时间、周转时间等指标。

5. 添加操作按钮，包括开始调度、暂停、继续、重置等按钮，方便用户控制调度过程。

6. 最后，可以添加一些额外功能，如数据保存、导入、导出等，方便用户进行数据管理。

需要注意的是，Java实现进程调度算法并不是一个简单的任务，需要具备一定的编程基础和算法知识，所以建议在学习相关知识后再进行实现。

相关问题

java实现进程调度算法+gui图形化

要实现Java进程调度算法的图形化界面(GUI)，可以使用Java的图形用户界面(GUI)库，如JavaFX或Swing。

首先，需要创建一个主窗口来显示进程调度算法的图形化界面。可以使用JavaFX的Stage类或Swing的JFrame类作为主窗口，并设置窗口的标题、大小和布局等属性。

然后，在主窗口中添加一些视图组件，如标签、文本框、按钮等，用于用户输入进程信息、设置调度算法参数以及显示调度结果。

在用户输入进程信息时，可以使用文本框或表格等控件，让用户输入进程的名称、到达时间、服务时间等参数。

接下来，需要实现选定的进程调度算法。常见的进程调度算法包括先来先服务(FCFS)、短作业优先(SJF)、优先级调度、轮转调度等。根据用户的选择，可以在按钮的事件处理程序中调用相应的算法实现，并将调度结果显示在界面上。

最后，可以添加一些额外的功能或视觉效果来提升用户体验。例如，可以在主窗口中显示一个进度条或动画，表示当前正在运行的进程。此外，可以添加一些图表或统计信息，用于展示进程的等待时间、周转时间等性能指标。

需要注意的是，通过图形化界面实现进程调度算法只是一种可视化的呈现方式，并不会影响算法本身的实现逻辑。因此，在实现图形化界面的同时，还需要编写相应的调度算法代码，并确保两者之间的正确交互。

java实现多个进程调度算法，有界面

实现多个进程调度算法需要考虑到进程调度的核心算法和界面的交互设计。以下是一个简单的实现示例：

1. 进程调度算法

可以选择实现以下常见的进程调度算法：

- 先来先服务（FCFS）
- 短作业优先（SJF）
- 优先级调度（Priority Scheduling）
- 时间片轮转（Round Robin）

2. 界面设计

可以使用Java Swing库来创建用户界面。在主界面上，需要提供以下功能：

- 显示当前正在运行的进程
- 显示已经完成的进程
- 提供添加新进程的功能，包括进程名、到达时间、需要执行的时间等信息
- 提供选择不同的调度算法的功能，并根据算法进行进程调度
- 显示各个进程的执行情况，包括开始时间、结束时间、等待时间、周转时间等信息

3. 实现示例

以下是一个简单的实现示例，仅供参考：

import java.awt.BorderLayout;
import java.awt.EventQueue;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.SwingConstants;
import javax.swing.border.EmptyBorder;
import javax.swing.table.DefaultTableModel;

public class ProcessScheduler extends JFrame {

    private JPanel contentPane;
    private JTextField txtName;
    private JTextField txtArrivalTime;
    private JTextField txtBurstTime;
    private JTable table;
    private DefaultTableModel model;
    private List<Process> processList = new ArrayList<>();

    public static void main(String[] args) {
        EventQueue.invokeLater(new Runnable() {
            public void run() {
                try {
                    ProcessScheduler frame = new ProcessScheduler();
                    frame.setVisible(true);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        });
    }

    public ProcessScheduler() {
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setBounds(100, 100, 600, 400);
        contentPane = new JPanel();
        contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
        setContentPane(contentPane);
        contentPane.setLayout(null);

        JLabel lblName = new JLabel("Name:");
        lblName.setBounds(20, 20, 80, 25);
        contentPane.add(lblName);

        txtName = new JTextField();
        txtName.setBounds(100, 20, 100, 25);
        contentPane.add(txtName);
        txtName.setColumns(10);

        JLabel lblArrivalTime = new JLabel("Arrival Time:");
        lblArrivalTime.setBounds(20, 50, 80, 25);
        contentPane.add(lblArrivalTime);

        txtArrivalTime = new JTextField();
        txtArrivalTime.setBounds(100, 50, 100, 25);
        contentPane.add(txtArrivalTime);
        txtArrivalTime.setColumns(10);

        JLabel lblBurstTime = new JLabel("Burst Time:");
        lblBurstTime.setBounds(20, 80, 80, 25);
        contentPane.add(lblBurstTime);

        txtBurstTime = new JTextField();
        txtBurstTime.setBounds(100, 80, 100, 25);
        contentPane.add(txtBurstTime);
        txtBurstTime.setColumns(10);

        JButton btnAdd = new JButton("Add");
        btnAdd.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                String name = txtName.getText();
                int arrivalTime = Integer.parseInt(txtArrivalTime.getText());
                int burstTime = Integer.parseInt(txtBurstTime.getText());
                processList.add(new Process(name, arrivalTime, burstTime));
                showProcessList();
                clearInputFields();
            }
        });
        btnAdd.setBounds(20, 120, 80, 25);
        contentPane.add(btnAdd);

        model = new DefaultTableModel();
        model.addColumn("Name");
        model.addColumn("Arrival Time");
        model.addColumn("Burst Time");
        model.addColumn("Start Time");
        model.addColumn("End Time");
        model.addColumn("Waiting Time");
        model.addColumn("Turnaround Time");

        table = new JTable(model);
        table.setBounds(220, 20, 350, 300);
        contentPane.add(table);

        JButton btnFcfs = new JButton("FCFS");
        btnFcfs.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                List<Process> resultList = fcfs(processList);
                showResultList(resultList);
            }
        });
        btnFcfs.setBounds(20, 160, 80, 25);
        contentPane.add(btnFcfs);

        JButton btnSjf = new JButton("SJF");
        btnSjf.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                List<Process> resultList = sjf(processList);
                showResultList(resultList);
            }
        });
        btnSjf.setBounds(20, 200, 80, 25);
        contentPane.add(btnSjf);

        JButton btnPriority = new JButton("Priority");
        btnPriority.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                List<Process> resultList = priority(processList);
                showResultList(resultList);
            }
        });
        btnPriority.setBounds(20, 240, 80, 25);
        contentPane.add(btnPriority);

        JButton btnRoundRobin = new JButton("Round Robin");
        btnRoundRobin.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                int timeSlice = Integer.parseInt(txtTimeSlice.getText());
                List<Process> resultList = roundRobin(processList, timeSlice);
                showResultList(resultList);
            }
        });
        btnRoundRobin.setBounds(20, 280, 120, 25);
        contentPane.add(btnRoundRobin);

        JLabel lblTimeSlice = new JLabel("Time Slice:");
        lblTimeSlice.setBounds(150, 280, 80, 25);
        contentPane.add(lblTimeSlice);

        txtTimeSlice = new JTextField();
        txtTimeSlice.setBounds(220, 280, 50, 25);
        contentPane.add(txtTimeSlice);
        txtTimeSlice.setColumns(10);
    }

    private void clearInputFields() {
        txtName.setText("");
        txtArrivalTime.setText("");
        txtBurstTime.setText("");
    }

    private void showProcessList() {
        model.setRowCount(0);
        for (Process process : processList) {
            Object[] rowData = new Object[3];
            rowData[0] = process.getName();
            rowData[1] = process.getArrivalTime();
            rowData[2] = process.getBurstTime();
            model.addRow(rowData);
        }
    }

    private void showResultList(List<Process> resultList) {
        model.setRowCount(0);
        for (Process process : resultList) {
            Object[] rowData = new Object[7];
            rowData[0] = process.getName();
            rowData[1] = process.getArrivalTime();
            rowData[2] = process.getBurstTime();
            rowData[3] = process.getStartTime();
            rowData[4] = process.getEndTime();
            rowData[5] = process.getWaitingTime();
            rowData[6] = process.getTurnaroundTime();
            model.addRow(rowData);
        }
    }

    private List<Process> fcfs(List<Process> processList) {
        List<Process> resultList = new ArrayList<>();
        int currentTime = 0;
        for (Process process : processList) {
            process.setStartTime(currentTime);
            process.setEndTime(currentTime + process.getBurstTime());
            process.setWaitingTime(currentTime - process.getArrivalTime());
            process.setTurnaroundTime(process.getEndTime() - process.getArrivalTime());
            currentTime = process.getEndTime();
            resultList.add(process);
        }
        return resultList;
    }

    private List<Process> sjf(List<Process> processList) {
        List<Process> resultList = new ArrayList<>();
        int currentTime = 0;
        while (!processList.isEmpty()) {
            Process shortestProcess = null;
            for (Process process : processList) {
                if (shortestProcess == null || process.getBurstTime() < shortestProcess.getBurstTime()) {
                    shortestProcess = process;
                }
            }
            processList.remove(shortestProcess);
            shortestProcess.setStartTime(currentTime);
            shortestProcess.setEndTime(currentTime + shortestProcess.getBurstTime());
            shortestProcess.setWaitingTime(currentTime - shortestProcess.getArrivalTime());
            shortestProcess.setTurnaroundTime(shortestProcess.getEndTime() - shortestProcess.getArrivalTime());
            currentTime = shortestProcess.getEndTime();
            resultList.add(shortestProcess);
        }
        return resultList;
    }

    private List<Process> priority(List<Process> processList) {
        List<Process> resultList = new ArrayList<>();
        int currentTime = 0;
        while (!processList.isEmpty()) {
            Process highestPriorityProcess = null;
            for (Process process : processList) {
                if (highestPriorityProcess == null || process.getPriority() < highestPriorityProcess.getPriority()) {
                    highestPriorityProcess = process;
                }
            }
            processList.remove(highestPriorityProcess);
            highestPriorityProcess.setStartTime(currentTime);
            highestPriorityProcess.setEndTime(currentTime + highestPriorityProcess.getBurstTime());
            highestPriorityProcess.setWaitingTime(currentTime - highestPriorityProcess.getArrivalTime());
            highestPriorityProcess.setTurnaroundTime(highestPriorityProcess.getEndTime() - highestPriorityProcess.getArrivalTime());
            currentTime = highestPriorityProcess.getEndTime();
            resultList.add(highestPriorityProcess);
        }
        return resultList;
    }

    private List<Process> roundRobin(List<Process> processList, int timeSlice) {
        List<Process> resultList = new ArrayList<>();
        int currentTime = 0;
        int remainingTimeSlice = 0;
        while (!processList.isEmpty()) {
            Process currentProcess = processList.get(0);
            if (currentProcess.getBurstTime() <= timeSlice - remainingTimeSlice) {
                processList.remove(0);
                currentProcess.setStartTime(currentTime);
                currentProcess.setEndTime(currentTime + currentProcess.getBurstTime());
                currentProcess.setWaitingTime(currentTime - currentProcess.getArrivalTime());
                currentProcess.setTurnaroundTime(currentProcess.getEndTime() - currentProcess.getArrivalTime());
                currentTime = currentProcess.getEndTime();
                resultList.add(currentProcess);
                remainingTimeSlice = 0;
            } else {
                currentProcess.setBurstTime(currentProcess.getBurstTime() - timeSlice + remainingTimeSlice);
                processList.remove(0);
                processList.add(currentProcess);
                remainingTimeSlice = timeSlice;
            }
        }
        return resultList;
    }

    private JTextField txtTimeSlice;
}

class Process {

    private String name;
    private int arrivalTime;
    private int burstTime;
    private int priority;
    private int startTime;
    private int endTime;
    private int waitingTime;
    private int turnaroundTime;

    public Process(String name, int arrivalTime, int burstTime) {
        this.name = name;
        this.arrivalTime = arrivalTime;
        this.burstTime = burstTime;
    }

    public String getName() {
        return name;
    }

    public int getArrivalTime() {
        return arrivalTime;
    }

    public int getBurstTime() {
        return burstTime;
    }

    public int getPriority() {
        return priority;
    }

    public void setPriority(int priority) {
        this.priority = priority;
    }

    public int getStartTime() {
        return startTime;
    }

    public void setStartTime(int startTime) {
        this.startTime = startTime;
    }

    public int getEndTime() {
        return endTime;
    }

    public void setEndTime(int endTime) {
        this.endTime = endTime;
    }

    public int getWaitingTime() {
        return waitingTime;
    }

    public void setWaitingTime(int waitingTime) {
        this.waitingTime = waitingTime;
    }

    public int getTurnaroundTime() {
        return turnaroundTime;
    }

    public void setTurnaroundTime(int turnaroundTime) {
        this.turnaroundTime = turnaroundTime;
    }

}