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PLEASE HELP THIS IS TO BE WRITTEN IN JAVA LANGUAGE Starter Code The output should be similar to the 3 images pictured / / The

PLEASE HELP THIS IS TO BE WRITTEN IN JAVA LANGUAGE
Starter Code
The output should be similar to the 3 images pictured
// The Planting Synchronization Problem
//
import java.util.Random;
import java.util.concurrent.Semaphore;
public class Planting
{
public static void main(String args[])
{
int i;
// Create Student, TA, Professor threads
TA ta = new TA();
Professor prof = new Professor(ta);
Student stdnt = new Student(ta);
// Start the threads
prof.start();
ta.start();
stdnt.start();
// Wait for prof to call it quits
try {prof.join();} catch(InterruptedException e){};
// Terminate the TA and Student Threads
ta.interrupt();
stdnt.interrupt();
}
}
class Student extends Thread
{
TA ta;
public Student(TA taThread)
{
ta = taThread;
}
public void run()
{
while(true)
{
System.out.println("Student: Must wait for TA "+ta.getMAX()+" holes ahead");
// Can dig a hole - lets get the shovel
System.out.println("Student: Got the shovel");
try {sleep((int)(100*Math.random()));} catch (Exception e){ break;}// Time to fill hole
ta.incrHoleDug(); // hole filled - increment the number
System.out.println("Student: Hole "+ta.getHoleDug()+" Dug");
System.out.println("Student: Letting go of the shovel");
if(isInterrupted()) break;
}
System.out.println("Student is done");
}
}
class TA extends Thread
{
// Some variables to count number of holes dug and filled - the TA keeps track of things
private int holeFilledNum=0; // number of the hole filled
private int holePlantedNum=0; // number of the hole planted
private int holeDugNum=0; // number of hole dug
private final int MAX=5; // can only get 5 holes ahead
// add semaphores - the professor lets the TA manage things.
public int getMAX(){ return(MAX); }
public void incrHoleDug(){ holeDugNum++; }
public int getHoleDug(){ return(holeDugNum); }
public void incrHolePlanted(){ holePlantedNum++; }
public int getHolePlanted(){ return(holePlantedNum); }
public TA()
{
// Initialise things here
}
public void run()
{
while(true)
{
System.out.println("TA: Got the shovel");
try {sleep((int)(100*Math.random()));} catch (Exception e){ break;}// Time to fill hole
holeFilledNum++; // hole filled - increment the number
System.out.println("TA: The hole "+holeFilledNum+" has been filled");
System.out.println("TA: Letting go of the shovel");
if(isInterrupted()) break;
}
System.out.println("TA is done");
}
}
class Professor extends Thread
{
TA ta;
public Professor(TA taThread)
{
ta = taThread;
}
public void run()
{
while(ta.getHolePlanted()=20)
{
try {sleep((int)(50*Math.random()));} catch (Exception e){ break;}// Time to plant
ta.incrHolePlanted(); // the seed is planted - increment the number
System.out.println("Professor: All be advised that I have completed planting hole "+
ta.getHolePlanted());
}
System.out.println("Professor: We have worked enough for today");
}
}
image text in transcribed

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