操作系统进程调度用JavaGUI模拟

import java.awt.*; import java.awt.event.*; import javax.swing.*; class PCDD { public static void main(String []args) { ProcessFrame PF=new ProcessFrame(); PF.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); PF.setVisible(true); } } class ProcessFrame extends JFrame { public ProcessFrame() { setTitle("进程调度实验演示--->欧海川制作"); setSize(900,700); ButtonPanel panel=new ButtonPanel(); Container contentPane=getContentPane(); contentPane.add(panel); } } class ButtonPanel extends JPanel implements ActionListener { JLabel j1,j2,j3,j4,j5,j6,j7,j8; JButton b1; public static JTextArea t1; JTextField t2,t3,t4,t5,t6,t7,t8,t9,t10,t11; public ButtonPanel() { setLayout(null); setBackground(Color.green); b1=new JButton("开始演示");