单项选择题
A. Compilation fails.
B. An exception is thrown at runtime.
C. doStuffx = 6 main x = 6
D. doStuffx = 5 main x = 5
E. doStuffx = 5 main x = 6
F. doStuffx = 6 main x = 5
单项选择题 23. Object [] myObjects = { 24. new integer(12), 25. new String(”foo”), 26. new integer(5), 27. new Boolean(true) 28. }; 29. Arrays.sort(myObjects); 30. for( int i=0; i31. System.out.print(myObjects[i].toString()); 32. System.out.print(” “); 33. } What is the result?()
单项选择题 public class Person { private name; public Person(String name) { this.name = name; } public int hashCode() { return 420; } } Which is true?()
单项选择题 WhichManclassproperlyrepresentstherelationship“ManhasabestfriendwhoisaDog”?()