Java/StudentData.java at master · Akshen22/Java · GitHub

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packagedesignPattern.Observer;

importjava.util.ArrayList;

publicclassStudentData {
privateStringmessage;
privateArrayList<Observer> observers;

publicStudentData() {
observers = newArrayList<>();
 }
publicvoidregisterObserver(Observero) {
observers.add(o);
 }
publicvoidremoveObserver(Observero) {
observers.remove(o);
 }

publicvoidnotifyObservers() {
for(inti = 0; i < observers.size(); i++) {
Observerobs = (Observer) observers.get(i);
obs.update(message);
 }
 }

publicvoidsetMessage(Stringmsg) {
this.message = msg;
 }

publicStringgetMessage() {
returnthis.message;
 }
}
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packagedesignPattern.Observer;

importjava.util.ArrayList;

publicclassStudentData {
privateStringmessage;
privateArrayList<Observer> observers;

publicStudentData() {
observers = newArrayList<>();
 }
publicvoidregisterObserver(Observero) {
observers.add(o);
 }
publicvoidremoveObserver(Observero) {
observers.remove(o);
 }

publicvoidnotifyObservers() {
for(inti = 0; i < observers.size(); i++) {
Observerobs = (Observer) observers.get(i);
obs.update(message);
 }
 }

publicvoidsetMessage(Stringmsg) {
this.message = msg;
 }

publicStringgetMessage() {
returnthis.message;
 }
}
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packagedesignPattern.Observer;

importjava.util.ArrayList;

publicclassStudentData {
privateStringmessage;
privateArrayList<Observer> observers;

publicStudentData() {
observers = newArrayList<>();
 }
publicvoidregisterObserver(Observero) {
observers.add(o);
 }
publicvoidremoveObserver(Observero) {
observers.remove(o);
 }

publicvoidnotifyObservers() {
for(inti = 0; i < observers.size(); i++) {
Observerobs = (Observer) observers.get(i);
obs.update(message);
 }
 }

publicvoidsetMessage(Stringmsg) {
this.message = msg;
 }

publicStringgetMessage() {
returnthis.message;
 }
}
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packagedesignPattern.Observer;

importjava.util.ArrayList;

publicclassStudentData {
privateStringmessage;
privateArrayList<Observer> observers;

publicStudentData() {
observers = newArrayList<>();
 }
publicvoidregisterObserver(Observero) {
observers.add(o);
 }
publicvoidremoveObserver(Observero) {
observers.remove(o);
 }

publicvoidnotifyObservers() {
for(inti = 0; i < observers.size(); i++) {
Observerobs = (Observer) observers.get(i);
obs.update(message);
 }
 }

publicvoidsetMessage(Stringmsg) {
this.message = msg;
 }

publicStringgetMessage() {
returnthis.message;
 }
}
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packagedesignPattern.Observer;

importjava.util.ArrayList;

publicclassStudentData {
privateStringmessage;
privateArrayList<Observer> observers;

publicStudentData() {
observers = newArrayList<>();
 }
publicvoidregisterObserver(Observero) {
observers.add(o);
 }
publicvoidremoveObserver(Observero) {
observers.remove(o);
 }

publicvoidnotifyObservers() {
for(inti = 0; i < observers.size(); i++) {
Observerobs = (Observer) observers.get(i);
obs.update(message);
 }
 }

publicvoidsetMessage(Stringmsg) {
this.message = msg;
 }

publicStringgetMessage() {
returnthis.message;
 }
}
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packagedesignPattern.Observer;

importjava.util.ArrayList;

publicclassStudentData {
privateStringmessage;
privateArrayList<Observer> observers;

publicStudentData() {
observers = newArrayList<>();
 }
publicvoidregisterObserver(Observero) {
observers.add(o);
 }
publicvoidremoveObserver(Observero) {
observers.remove(o);
 }

publicvoidnotifyObservers() {
for(inti = 0; i < observers.size(); i++) {
Observerobs = (Observer) observers.get(i);
obs.update(message);
 }
 }

publicvoidsetMessage(Stringmsg) {
this.message = msg;
 }

publicStringgetMessage() {
returnthis.message;
 }
}
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packagedesignPattern.Observer;

importjava.util.ArrayList;

publicclassStudentData {
privateStringmessage;
privateArrayList<Observer> observers;

publicStudentData() {
observers = newArrayList<>();
 }
publicvoidregisterObserver(Observero) {
observers.add(o);
 }
publicvoidremoveObserver(Observero) {
observers.remove(o);
 }

publicvoidnotifyObservers() {
for(inti = 0; i < observers.size(); i++) {
Observerobs = (Observer) observers.get(i);
obs.update(message);
 }
 }

publicvoidsetMessage(Stringmsg) {
this.message = msg;
 }

publicStringgetMessage() {
returnthis.message;
 }
}
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packagedesignPattern.Observer;

importjava.util.ArrayList;

publicclassStudentData {
privateStringmessage;
privateArrayList<Observer> observers;

publicStudentData() {
observers = newArrayList<>();
 }
publicvoidregisterObserver(Observero) {
observers.add(o);
 }
publicvoidremoveObserver(Observero) {
observers.remove(o);
 }

publicvoidnotifyObservers() {
for(inti = 0; i < observers.size(); i++) {
Observerobs = (Observer) observers.get(i);
obs.update(message);
 }
 }

publicvoidsetMessage(Stringmsg) {
this.message = msg;
 }

publicStringgetMessage() {
returnthis.message;
 }
}