최신 1Z1-804 무료덤프 - Oracle Java SE 7 Programmer II

A. public abstract String type; public abstract String getType();

B. public String type = "Fiction"; public static String getType();

C. public static String type; public abstract String getType();

D. public String type = "Fiction"; public abstract String getType();

A. The program replaces the file contents as well as the file attributes and prints Not equal.

B. The program replaces the file contents and the file's attributes and prints Equal.

C. An UnsupportedOperationException is thrown at runtime.

D. The program replaces only the file attributes and prints Not equal.

A. The program produces the correct result, with better performance than the original.

B. The program goes into an infinite loop.

C. The program produces an incorrect result.

D. The program produces the correct result, with performance degraded to the equivalent of being singlethreaded.

E. The program produces the correct result, with similar performance to the original.

F. An exception is thrown at runtime.

A. unknown Harry

B. unknown unknown

C. Compilation fails.

D. John Harry

E. An exception is thrown at runtime.

F. john unknown

A. Compilation fails.

B. One

C. Three

D. The program runs, but prints no output.

A. Creates a new file and prints no output

B. Compilation fails

C. A runtime exception is thrown at line 7

D. A runtime exception is thrown at line 4

A. A Singleton improves a class's cohesion.

B. A Singleton implements a factory method.

C. Singletons can be designed to be thread-safe.

D. A Singleton has only the default constructor.

E. A Singleton must implement serializable.

A. class java.lang.RuntimeException

B. class InvalidAgeException

C. General category

D. class java.lang.IllegalArgumentException

A. The program prints employee IDs

B. The program prints Error

C. Compilation fails on line ***

D. The program prints customer IDs

A. It compiles if the code void write (String s); is added at line***.

B. It compiles if the code void write (); is added at line ***.

C. It compiles if the code write () {}is added at line ***.

D. It compiles without any changes.

E. It compiles if the code void write (string s) { } is added at line ***.