Bruce Eckel bc0026c3e1 Radically reorganized
Plus many new examples in "streams" chapter.
2015-11-11 20:20:04 -08:00

22 lines
539 B
Java

// typeinfo/Robot.java
import onjava.*;
import java.util.*;
public interface Robot {
String name();
String model();
List<Operation> operations();
class Test {
public static void test(Robot r) {
if(r instanceof Null)
System.out.println("[Null Robot]");
System.out.println("Robot name: " + r.name());
System.out.println("Robot model: " + r.model());
for(Operation operation : r.operations()) {
System.out.println(operation.description());
operation.command();
}
}
}
}