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https://github.com/TheAlgorithms/Java.git
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@ -1,11 +1,11 @@
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package com.thealgorithms.scheduling;
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import com.thealgorithms.devutils.entities.ProcessDetails;
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import java.util.List;
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/**
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* Non-pre-emptive First Come First Serve scheduling. This can be understood here - https://www.scaler.com/topics/first-come-first-serve/
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* Non-pre-emptive First Come First Serve scheduling. This can be understood here -
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* https://www.scaler.com/topics/first-come-first-serve/
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*/
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public class FCFSScheduling {
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@ -23,25 +23,27 @@ public class FCFSScheduling {
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private void evaluateWaitingTime() {
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int processesNumber = processes.size();
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if(processesNumber == 0) {
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if (processesNumber == 0) {
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return;
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}
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int waitingTime = 0;
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int burstTime = processes.get(0).getBurstTime();
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processes.get(0).setWaitingTime(waitingTime); // for the first process, waiting time will be 0.
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processes.get(0).setWaitingTime(
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waitingTime); // for the first process, waiting time will be 0.
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for(int i=1; i<processesNumber; i++) {
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processes.get(i).setWaitingTime(waitingTime + burstTime);
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waitingTime = processes.get(i).getWaitingTime();
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burstTime = processes.get(i).getBurstTime();
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for (int i = 1; i < processesNumber; i++) {
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processes.get(i).setWaitingTime(waitingTime + burstTime);
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waitingTime = processes.get(i).getWaitingTime();
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burstTime = processes.get(i).getBurstTime();
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}
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}
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private void evaluateTurnAroundTime() {
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for(int i=0; i<processes.size(); i++) {
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processes.get(i).setTurnAroundTimeTime(processes.get(i).getBurstTime() + processes.get(i).getWaitingTime());
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for (int i = 0; i < processes.size(); i++) {
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processes.get(i).setTurnAroundTimeTime(
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processes.get(i).getBurstTime() + processes.get(i).getWaitingTime());
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}
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}
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}
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