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ArraysSortObjectsEx2.java
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88 lines (60 loc) · 1.69 KB
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package com.zetcode;
import java.util.Arrays;
import java.util.Comparator;
// Comparing objects with Comparator in array
class Car {
private String name;
private int price;
public Car(String name, int price) {
this.name = name;
this.price = price;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getPrice() {
return price;
}
public void setPrice(int price) {
this.price = price;
}
@Override
public String toString() {
return "Car{" + "name=" + name + ", price=" + price + '}';
}
}
class CompareByPrice implements Comparator<Car> {
@Override
public int compare(Car c1, Car c2) {
return c1.getPrice() - c2.getPrice();
}
}
class CompareByName implements Comparator<Car> {
@Override
public int compare(Car c1, Car c2) {
return c1.getName().compareTo(c2.getName());
}
}
public class ArraysSortObjectsEx2 {
public static void main(String[] args) {
Car[] cars = {
new Car("Volvo", 23400), new Car("Mazda", 13700),
new Car("Porsche", 353800), new Car("Skoda", 8900),
new Car("Volkswagen", 19900)
};
System.out.println("Comparison by price:");
Arrays.sort(cars, new CompareByPrice());
for (Car car : cars) {
System.out.println(car);
}
System.out.println();
System.out.println("Comparison by name:");
Arrays.sort(cars, new CompareByName());
for (Car car : cars) {
System.out.println(car);
}
}
}