17Worker&Adress
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import java.util.*;
class Worker {
private String name;
private int age;
private double salary;
private Adress adress;
Worker(String name, int age, double salary, Adress adress) {
this.name = name;
this.age = age;
this.salary = salary;
this.adress = adress;
}
public String getName() {
return name;
}
public Adress getAdress() {
return adress;
}
public int hashCode() {
return name.hashCode() + age + (int) salary;
}
public boolean equals(Object o) {
if (!(o instanceof Worker)) {
return false;
}
if (o == null) {
return false;
}
Worker w = (Worker) o;
return this.name.equals(w.name) && this.age == w.age
&& this.salary == w.salary && this.adress == w.adress;
}
}
class Adress {
private String adressName, zipCode;
public void setAdressName(String adressName) {
this.adressName = adressName;
}
public String getAdressName() {
return adressName;
}
public void setZipCode(String zipCode) {
this.zipCode = zipCode;
}
public String getZipCode() {
return zipCode;
}
}
public class D4 {
public static void main(String args[]) {
Set<Worker> set = new HashSet<Worker>();
Adress ad1 = new Adress();
ad1.setAdressName("Japan");
ad1.setZipCode("100");
Adress ad2 = new Adress();
ad1.setAdressName("China");
ad2.setZipCode("200");
Adress ad3 = new Adress();
ad1.setAdressName("America");
ad3.setZipCode("300");
Worker w1 = new Worker("Lucy", 12, 2000, ad1);
Worker w2 = new Worker("Nancy", 13, 2000, ad2);
Worker w3 = new Worker("Ucy", 14, 2000, ad3);
Worker w4 = new Worker("Ucy", 14, 2000, ad3);
Worker w5 = new Worker("Nancy", 14, 2000, ad3);
set.add(w1);
set.add(w2);
set.add(w3);
set.add(w4);
set.add(w5);
for (Iterator<Worker> it = set.iterator(); it.hasNext();)
System.out.println(it.next().getAdress().getZipCode());
}
}
class Worker {
private String name;
private int age;
private double salary;
private Adress adress;
Worker(String name, int age, double salary, Adress adress) {
this.name = name;
this.age = age;
this.salary = salary;
this.adress = adress;
}
public String getName() {
return name;
}
public Adress getAdress() {
return adress;
}
public int hashCode() {
return name.hashCode() + age + (int) salary;
}
public boolean equals(Object o) {
if (!(o instanceof Worker)) {
return false;
}
if (o == null) {
return false;
}
Worker w = (Worker) o;
return this.name.equals(w.name) && this.age == w.age
&& this.salary == w.salary && this.adress == w.adress;
}
}
class Adress {
private String adressName, zipCode;
public void setAdressName(String adressName) {
this.adressName = adressName;
}
public String getAdressName() {
return adressName;
}
public void setZipCode(String zipCode) {
this.zipCode = zipCode;
}
public String getZipCode() {
return zipCode;
}
}
public class D4 {
public static void main(String args[]) {
Set<Worker> set = new HashSet<Worker>();
Adress ad1 = new Adress();
ad1.setAdressName("Japan");
ad1.setZipCode("100");
Adress ad2 = new Adress();
ad1.setAdressName("China");
ad2.setZipCode("200");
Adress ad3 = new Adress();
ad1.setAdressName("America");
ad3.setZipCode("300");
Worker w1 = new Worker("Lucy", 12, 2000, ad1);
Worker w2 = new Worker("Nancy", 13, 2000, ad2);
Worker w3 = new Worker("Ucy", 14, 2000, ad3);
Worker w4 = new Worker("Ucy", 14, 2000, ad3);
Worker w5 = new Worker("Nancy", 14, 2000, ad3);
set.add(w1);
set.add(w2);
set.add(w3);
set.add(w4);
set.add(w5);
for (Iterator<Worker> it = set.iterator(); it.hasNext();)
System.out.println(it.next().getAdress().getZipCode());
}
}
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