Завершено третье задание ЛР2
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@ -2,6 +2,7 @@ package tse;
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import tse.lr2.CompareArrays1D;
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import tse.lr2.CompareArrays2D;
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import tse.lr2.LR_2_Tasks;
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/**
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* @author aNNiMON
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@ -11,7 +12,7 @@ public class LR_2 implements ILabRab {
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private static final String[] TITLES = {
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"Копирование и сравнение массивов",
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"Двумерный массив строк",
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"3",
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"Эллипсы и круги. Массив",
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"4",
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"5"
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};
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@ -26,7 +27,7 @@ public class LR_2 implements ILabRab {
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CompareArrays2D.main();
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break;
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case 2:
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LR_2_Tasks.getInstance().task3();
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break;
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case 3:
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@ -8,6 +8,14 @@ import java.awt.Point;
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*/
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public class Circle extends Ellipse {
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public Circle() {
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super();
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}
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public Circle(Point p1, Point p2, Point p3, Point p4) {
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super(p1, p2, p3, p4);
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}
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public boolean isConsist(Point point) {
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Point center = getCenterPoint();
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int radius = center.x - points[0].x;
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@ -20,7 +28,7 @@ public class Circle extends Ellipse {
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@Override
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public String toString() {
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return "This is circle!\n" + super.toString();
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return "Круг - твой друг!";
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}
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}
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@ -15,7 +15,7 @@ public class CompareArrays1D {
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String[] b3 = Arrays.copyOf(a, a.length);
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String[] b4 = {"1","2","3"};
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System.out.print("b\t\t\tb==a\tb.equals(a)\tArrays.equals(a,b) deepEquals\t\tb[0]==a[0]");
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System.out.print("\nb\t\t\tb==a\tb.equals(a)\tArrays.equals(a,b) deepEquals\t\tb[0]==a[0]");
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printRow("b=a\t\t\t", getValues(a, b1));
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printRow("b=a.clone()\t\t", getValues(a, b2));
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printRow("b=Arrays.copyOf(a)\t", getValues(a, b3));
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@ -15,7 +15,7 @@ public class CompareArrays2D {
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String[][] b3 = Arrays.copyOf(a, a.length);
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String[][] b4 = { {"1","2","3"}, {"4", "5", "6"}, {"7", "8", "9"} };
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System.out.print("b\t\t\tb==a\tb.equals(a)\tArrays.equals(a,b) deepEquals\t\tb[0]==a[0]");
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System.out.print("\nb\t\t\tb==a\tb.equals(a)\tArrays.equals(a,b) deepEquals\t\tb[0]==a[0]");
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printRow("b=a\t\t\t", getValues(a, b1));
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printRow("b=a.clone()\t\t", getValues(a, b2));
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printRow("b=Arrays.copyOf(a)\t", getValues(a, b3));
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@ -78,13 +78,14 @@ public class Ellipse {
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@Override
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public String toString() {
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StringBuilder sb = new StringBuilder();
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/*StringBuilder sb = new StringBuilder();
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for (int i = 0; i < POINTS; i++) {
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sb.append(points[i].toString()).append('\t');
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}
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sb.append("\nSquare: ").append(getSquare());
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sb.append("\nCenter: ").append(getCenterPoint().toString());
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return sb.toString();
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return sb.toString();*/
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return "Я - Эллипс";
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}
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}
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64
src/tse/lr2/LR_2_Tasks.java
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64
src/tse/lr2/LR_2_Tasks.java
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@ -0,0 +1,64 @@
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package tse.lr2;
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import java.awt.Point;
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/**
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*
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* @author aNNiMON
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*/
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public class LR_2_Tasks {
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private static LR_2_Tasks instance;
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public static synchronized LR_2_Tasks getInstance() {
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if (instance == null) instance = new LR_2_Tasks();
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return instance;
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}
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private Ellipse ellipse1, ellipse2, ellipse3;
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private Circle circle1, circle2;
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private Point point1;
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public void task3() {
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makeObjects();
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Ellipse[] arr1 = new Ellipse[] {
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ellipse1, ellipse2, ellipse3, circle1, circle2
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};
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for (Ellipse item : arr1) {
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System.out.println("----------");
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System.out.println("Класс: " + item.getClass().getName());
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System.out.println("Центр: " + item.getCenterPoint().toString());
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System.out.println("Площадь: " + item.getSquare());
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System.out.println("Расстояние от другого эллипса: " + item.getDistanceOfCentres(ellipse2));
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if (item instanceof Circle) {
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boolean consist = ((Circle)item).isConsist(point1);
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System.out.println("Круг. Находится ли точка внутри? " + (consist ? "Да" : "Нет"));
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}
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System.out.println(item.toString());
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}
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}
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private void makeObjects() {
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ellipse1 = new Ellipse(
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new Point(2, 2), new Point(8, 2),
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new Point(2, 6), new Point(8, 6)
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);
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ellipse2 = new Ellipse(
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new Point(0, -4), new Point(20, -4),
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new Point(0, 12), new Point(20, 12)
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);
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ellipse3 = new Ellipse(ellipse1);
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circle1 = new Circle(
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new Point(1, 1), new Point(6, 1),
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new Point(1, 6), new Point(6, 6)
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);
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circle2 = new Circle(
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new Point(5, 4), new Point(15, 4),
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new Point(5, 14), new Point(15, 14)
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);
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point1 = new Point(3, 3);
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}
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}
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