Java applet for simulating system process algorithms

Package PID;

Public class probean {

Private string PID;
Private int time;
Private int priority;
Public String getpid (){
Return PID;
}
Public void setpid (string PID ){
PID = PID;
}
Public int gettime (){
Return time;
}
Public void settime (INT time ){
This. Time = time;
}
Public int getpriority (){
Return priority;
}
Public void setpriority (INT priority ){
This. Priority = priority;
}
 
}

Package PID;

Import java. util. arraylist;
Import java. util. List;

Public class prolist {

List <probean> List = new arraylist <probean> ();

Public Boolean ISE (string PID ){
For (INT I = 0; I <list. Size (); I ++ ){
If (pid. Equals (list. Get (I). getpid ())){
Return true;
}
}
Return false;

}

}

Package PID;

Import java. util. List;
Import java. util. collections;

Public class protest {
Private Static pipeline Input = new pipeline (system. In );
Private Static prolist PL = new prolist ();
// Private Static probean Pb = new probean (); New only one global object

Public static void main (string [] ARGs ){
Newpro ();

}
Public static void newpro (){
System. Out. println ("Enter the number of processes :");
Int pnum = input. nextint ();
For (INT I = 0; I <pnum; I ++ ){
System. Out. println ("Enter the PID of the process :");
String pid = input. Next ();
Boolean isexist = pl. ISE (PID );
If (! Isexist ){
System. Out. println ("Enter the running time of the process (seconds ):");
Int time = input. nextint ();
System. Out. println ("Enter the priority of the process :");
Int priority = input. nextint ();
Probean Pb = new probean ();
PB. setpid (PID );
PB. settime (time );
PB. setpriority (priority );

List <probean> PL1 = pl. List;
Pl1.add (PB );
} Else {
System. Out. println ("the PID process already exists! ");
}

}

System. Out. println ("------------------------");
System. Out. println ("select algorithm :");
System. Out. println ("------------------------");
System. Out. println ("1. Advanced service algorithm ");
System. Out. println ("2. Priority Algorithm ");
Int num1 = input. nextint ();
Switch (num1 ){

Case 1:
List <probean> List = pl. List;
For (Int J = 0; j <list. Size (); j ++ ){
Probean Pb = list. Get (j );
String pname = Pb. getpid ();
Mythread T = new mythread (pname );
T. Start ();

Try {
T. Sleep (PB. gettime () * 1000 );
} Catch (interruptedexception e ){
E. printstacktrace ();
}
System. Out. println (PB. gettime () + "seconds later ends..." + "\ t ");
T. Stop ();
If (! T. isalive ()){
System. Out. println ("process ended ");
}
}
/* List <probean> List = pl. List;
Probean PB1 = list. Get (0 );
String pt1 = pb1.getpid ();
Mythread T1 = new mythread (pt1 );
T1.start ();
System. Out. println ();
Try {
T1.sleep (pb1.gettime () * 1000 );
} Catch (interruptedexception e ){
E. printstacktrace ();
}
System. Out. Print (pb1.gettime () + "seconds later ends..." + "\ t ");
T1.stop ();
System. Out. println ("process ended ");*/

/*
Probean PBS = list. Get (1 );
String pt2 = pb2.getpid ();
Mythread t2 = new mythread (pt2 );
T2.start ();
Try {
T2.sleep (pb2.gettime () * 1000 );
} Catch (interruptedexception e ){
E. printstacktrace ();
}*/
Break;
Case 2:
Int temp = 0;
Int time = 0;
List <probean> list2 = pl. List;
For (INT I = 0; I <list2.size ()-1; I ++ ){
For (Int J = 0; j <list2.size ()-i-1; j ++ ){

If (list2.get (j). getpriority () <list2.get (J + 1). getpriority ()){

Temp = list2.get (J + 1). getpriority ();
String ptemp = list2.get (J + 1). getpid ();
Time = list2.get (J + 1). gettime ();

List2.get (J + 1). setpriority (list2.get (j). getpriority ());
List2.get (j). setpriority (temp );

List2.get (J + 1). setpid (list2.get (j). getpid ());
List2.get (j). setpid (ptemp );

List2.get (J + 1). settime (list2.get (j). gettime ());
List2.get (j). settime (time );
}
}
}


For (INT I = 0; I <list2.size (); I ++ ){
// Int pri = list2.get (I). getpriority ();

Probean Pb = list2.get (I );
String pname = Pb. getpid ();
Mythread T = new mythread (pname );
T. Start ();

Try {
T. Sleep (PB. gettime () * 1000 );
} Catch (interruptedexception e ){
E. printstacktrace ();
}
System. Out. println (PB. gettime () + "seconds later ends..." + "\ t ");
T. Stop ();
If (! T. isalive ()){
System. Out. println ("process ended ");
}
}

Break;
}
}
 
Static class mythread extends thread {
Boolean run = true;
Mythread (string s ){
Super (s );
}
Public void run (){

System. Out. Print ("PID:" + getname () + "\ t" + "running ...");
}

}
 
}