bc0026c3e1
Plus many new examples in "streams" chapter.
22 lines
539 B
Java
22 lines
539 B
Java
// typeinfo/Robot.java
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import onjava.*;
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import java.util.*;
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public interface Robot {
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String name();
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String model();
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List<Operation> operations();
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class Test {
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public static void test(Robot r) {
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if(r instanceof Null)
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System.out.println("[Null Robot]");
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System.out.println("Robot name: " + r.name());
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System.out.println("Robot model: " + r.model());
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for(Operation operation : r.operations()) {
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System.out.println(operation.description());
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operation.command();
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}
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}
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}
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}
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