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hi all, been tryin to find wat is wrong with this code. It works for sometime then starts repeating the same value continuossssssly. any help will be appreciated. thanks

```
/* THIS PROGRAM IS TO RUN A SIMULATION PROGRAM OF ARRIVAL AND SERVICE TIMES OF AN AUTO-REPAIR WORKSHOP
* servTime = serviceTime, depTime = departureTime, arrTime = arrivalTime.
* **/
package home;
import java.util.ArrayList;
public class Simulation {
static int arrTime = 0;
static ArrayList < Integer > depTimes = new ArrayList< Integer >();
static int simClock = 0;
static int depTime = 0;
static boolean createEvent = true;
public static void main(String[] args) {
while(simClock <=500){
if (createEvent == true){
double intrTime = 20*(-2.303*Math.log(Math.random())); //calculate the interval Time of arrival
double servTime = 25*(-2.303*Math.log(Math.random())); //calculate the service time for each car
arrTime += Math.round(intrTime); //cummulate the interval times which is the arrival time on the clock
depTime = (int) (arrTime+ Math.round(servTime)); //departure time = arrival +service
depTimes.add(depTime);
}
//this is to arrange in ascending order
if (arrTime <= min(depTimes)){
simClock = arrTime;
}else {simClock = min(depTimes);
createEvent = false;
for (int i=0; i<depTimes.size(); i++){
if (simClock == depTimes.get(i)){
depTimes.remove(i);
}
}
}
System.out.printf("%d\n",simClock);
}
}
static int min(ArrayList<Integer> arr){
int minx = 0;
int val = arr.get(0);
for (int depTimex : arr ){
if (val <= depTimex){
minx = val;
}else minx = depTimex;
}return minx;
}
}
```