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4 changed files with 14 additions and 91 deletions

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@ -1,11 +1,9 @@
package lab4; package lab4;
/**
///** * My class Furniture.
// * My class Furniture. */
// */ public class Furniture<T> {
//todo uncomment /*<Furniture>*/
public /*abstract*/ class Furniture/*<T>*/ implements Comparable<Furniture> {
/** /**
* *
*/ */
@ -15,13 +13,14 @@ public /*abstract*/ class Furniture/*<T>*/ implements Comparable<Furniture> {
private int width; private int width;
private int price; private int price;
// private T additional; private T additional;
// public void setAdditional(T additional) { public void setAdditional(T additional) {
// this.additional = additional; this.additional = additional;
// } }
/** /**
*
* @param material * @param material
* @param length * @param length
* @param height * @param height
@ -75,19 +74,4 @@ public /*abstract*/ class Furniture/*<T>*/ implements Comparable<Furniture> {
", price=" + price + ", price=" + price +
'}'; '}';
} }
// @Override
// public int compareTo(Object o) {
// return /*this.*/price - ((Furniture) o).price;
//// return /*this.*/material.compareTo(((Furniture) o).material);
// }
@Override
public int compareTo(Furniture o) {
final int priceDifference = price - o.price;
return priceDifference != 0
? priceDifference
// : -material.compareTo(o.material);
: o.material.compareTo(material);
}
} }

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@ -1,19 +1,14 @@
package lab4; package lab4;
import java.util.Arrays; import java.util.Arrays;
import java.util.Comparator;
public class Main { public class Main {
public static void main(String[] args) { public static void main(String[] args) {
System.out.println(Integer.MIN_VALUE - 1); // todo Comparable
//todo equals+hashcode //todo equals+hashcode
// todo JavaDoc // todo JavaDoc
final Furniture/*<Furniture>*/ furniture1 = new Furniture("A", 1, 1, 1, 1); final Furniture<Furniture> furniture1 = new Furniture<>("A", 1, 1, 1, 1);
final Furniture/*<String>*/ furniture2 = new Furniture("F", 1, 1, 1, 4); final Furniture<String> furniture2 = new Furniture<>("D", 1, 1, 1, 4);
System.out.println(furniture1.compareTo(furniture2));
// System.out.println(furniture1.compareTo("furniture2"));
Furniture[] furnitureArray = { Furniture[] furnitureArray = {
furniture1, furniture1,
furniture2, furniture2,
@ -27,8 +22,8 @@ public class Main {
} }
System.out.println("+++++++++++++"); System.out.println("+++++++++++++");
// furniture1.setAdditional(new Furniture("Y", 1, 1, 1, 0)); furniture1.setAdditional(new Furniture("Y", 1, 1, 1, 0));
// furniture2.setAdditional("new Furniture(\"Y\", 1, 1, 1, 0)"); furniture2.setAdditional("new Furniture(\"Y\", 1, 1, 1, 0)");
// furnitureArray[0].setMaterial("E"); // furnitureArray[0].setMaterial("E");
@ -46,39 +41,5 @@ public class Main {
} }
System.out.println("+++++++++++++"); System.out.println("+++++++++++++");
/*Arrays.sort(furnitureArray);
for (Furniture furniture : furnitureArray) {
System.out.println(furniture);
}
System.out.println("+++++++++++++");*/
/*Arrays.sort(furnitureArray, new PriceFurnitureComparator());
for (Furniture furniture : furnitureArray) {
System.out.println(furniture);
}
System.out.println("+++++++++++++");*/
/*Arrays.sort(furnitureArray, new Comparator<Furniture>() {
@Override
public int compare(Furniture o1, Furniture o2) {
return o1.getMaterial().compareTo(o2.getMaterial());
}
});*/
// Arrays.sort(furnitureArray, (o1, o2) -> o1.getMaterial().compareTo(o2.getMaterial()));
// Arrays.sort(furnitureArray, Comparator.comparing(Furniture::getMaterial));
// Arrays.sort(furnitureArray, Comparator.comparing(Furniture::getMaterial).reversed());
// Arrays.sort(furnitureArray, Comparator.comparing(Furniture::getPrice)
// .thenComparing(Furniture::getMaterial).reversed());
Arrays.sort(furnitureArray, Comparator.comparing(Furniture::getPrice)
.thenComparing(Comparator.comparing(Furniture::getMaterial).reversed()));
for (Furniture furniture : furnitureArray) {
System.out.println(furniture);
}
System.out.println("+++++++++++++");
} }
} }

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@ -1,11 +0,0 @@
package lab4;
import java.util.Comparator;
public class MaterialFurnitureComparator implements Comparator<Furniture> {
@Override
public int compare(Furniture o1, Furniture o2) {
return o1.getMaterial().compareTo(o2.getMaterial());
}
}

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@ -1,11 +0,0 @@
package lab4;
import java.util.Comparator;
public class PriceFurnitureComparator implements Comparator<Furniture> {
@Override
public int compare(Furniture o1, Furniture o2) {
return o1.getPrice() - o2.getPrice();
}
}