FCFS算法仿真.doc

FCFS算法仿真 import java.util.Date; import java.awt.*; import java.awt.event.*; import java.util.*; import javax.swing.JOptionPane; import javax.swing.*; class win extends Frame implements ActionListener { Label label1,label2,label3; Button button1,button2; TextField text1; TextArea area; win() { setLayout(null); setBounds(0,0,400,600); label1 =new Label(请输入进程数:); label2 =new Label(FCFS算法仿真); label3 =new Label(小组成员：1好，，，); button1 =new Button(确定); button2 =new Button(清除); text1= new TextField(); area = new TextArea(); label1.setBounds(10,70,90,25); label2.setBounds(100,40,90,25); label3.setBounds(5,550,400,25); text1.setBounds(110,70,80,30); button1.setBounds(210,70,50,30); button2.setBounds(290,70,50,30); area.setBounds(10,110,360,400); add(label1);add(label2);add(label3);add(button1);add(text1);add(area); add(button2); setVisible(true); button1.addActionListener(this); button2.addActionListener(this); text1.addActionListener(this); } public void actionPerformed(ActionEvent e) { if(e.getSource()==button1||e.getSource()==text1) { LinkedList create=new LinkedList(); //创建队列 String ss=text1.getText().trim(); char a1[]=ss.toCharArray(); int bi=0; for(int a=0;aa1.length;a++) { if(!(Character.isDigit(a1[a]))) { bi=1; } } if(bi==1) { JOptionPane.showMessageDialog(this,您输入了非法字符，请重新输入,警告对话框, JOptionPane.WARNING_MESSAGE); text1.setText(null); } else { //int a=(int)(Math.random()*(Math.random()*500))+1; int a=Integer.parseInt(text1.getText().trim()); int b[]=new int[a];//进程提交时间 int c[]=new int[a];//执行时间 int t=0;//时间