17 lines
413 B
Java
17 lines
413 B
Java
//: polymorphism/shape/RandomShapeGenerator.java
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// A "factory" that randomly creates shapes.
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package polymorphism.shape;
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import java.util.*;
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public class RandomShapeGenerator {
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private Random rand = new Random(47);
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public Shape next() {
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switch(rand.nextInt(3)) {
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default:
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case 0: return new Circle();
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case 1: return new Square();
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case 2: return new Triangle();
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}
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}
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} ///:~
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