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，2号，3号，4号); 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(a1a) 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 inta;/进程提交时间 int c=new inta;/执行时间 int t=0;/时间 int c1=new inta; / int length; int p=new inta; /int p2=new inta; int num=0; int t1=new inta; area.append(进程名称 +到达时间 +服务时间 +n); for(int i=0;ia;i+) / bi=(int)(Math.random()*10)+1; c1i=ci=(int)(Math.random()*20)+1; bi=(int)(Math.random()*(Math.random()*30)+1; /ci=(int)(Math.random()*(Math.random()*100)+1; for(int i=0;ia;i+) area.append(+i+ +bi+ +ci+n); area.append(+n);area.append(+n); area.append(执行后:+n); / area.append(执行顺序 +到达时间 +服务时间 +平均周转时间 +平均带权周转时间+n); / area.append(sdaf); for(;t1000;) int i=0; /area.append(+t); for(;ia;i+) if(bi-t=0) create.add(+bi); /area.append(+i+ +bi+ +ci+n); / break; /pm=(int)(Math.random()*10)+1; t+; if(create.size()!=0) String n3= (String)create.getFirst(); int n4=Integer.parseInt(n3); for(int n=0;na;n+) if(bn=n4) cn=cn-1; if(cn=0) t1n=t; area.append(进程执行顺序: +n); area.append(+n); area.append( +n+进程完成时间: +t1n+n); create.removeFirst(); /break; int z=new inta; int zz=0; float d=new floata; float dd=0; for(int n=0;na;n+) zn=t1n-bn; / area.append(zn+n); dn=(float)zn/c1n; /area.append(dn+n); for(int s=0;sa;s+) zz=zz+zs; dd=dd+ds; int z_z=zz/a; float d_d=dd/a; area.append(平均周转时间+z_z+n); area.append(平均带权周转时间+d_d+n); if(e.getSource()=button2) area.setText(null);text1.setText(null); public class suanfapublic static void main(String args) try UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName(); catch