单项选择题
A. harrier
B. shepherd
C. retriever
D. Compilation fails.
E. retriever harrier
F. An exception is thrown at runtime.
单项选择题 public class Bootchy { int bootch; String snootch; public Bootchy() { this(”snootchy”); System.out.print(”first “); } public Bootchy(String snootch) { this(420, “snootchy”); System.out.print(”second “); } public Bootchy(int bootch, String snootch) { this.bootch = bootch; this.snootch = snootch; System.out.print(”third “); } public static void main(String[] args) { Bootchy b = new Bootchy(); System.out.print(b.snootch +“ “ + b.bootch); } } What is the result?()
单项选择题 public class Plant { private String name; public Plant(String name) { this.name = name; } public String getName() { return name; } } public class Tree extends Plant { public void growFruit() { } public void dropLeaves() { } } Which is true?()
单项选择题 11. class Person { 12. String name = “No name; 13. public Person(String nm) { name = nm; } 14. } 15. 16. class Employee extends Person { 17. String emplD = “0000”; 18. public Employee(String id) { empID = id; } 19. } 20. 21. public class EmployeeTest { 22. public static void main(String[] args) { 23. Employee e = new Employee(”4321”); 24. System.out.println(e.empID); 25. } 26. } What is the result?()