Given classes defined in two different files： What is the result of executing XMLMessage.main？（）
A: text
B: Compilation fails.
C:text
D: An exception is thrown at runtime.
A: text
B: Compilation fails.
C:
D: An exception is thrown at runtime.
举一反三
- System.out.println（Math.sqrt（-4D））； What is the result？（） A: –2 B: NaN C: Infinity D: Compilation fails. E: An exception is thrown at runtime.
- Given： 11. String test = "This is a test"； 12. String[] tokens = test.split（"\s"）； 13. System.out.println（tokens.length）； What is the result？（） A: An exception is thrown at runtime. B: 1 C: 4 D: Compilation fails. E: 0
- Given： 11. String test = "This is a test"； 12. String[] tokens = test.split（"\s"）； 13. System.out.println（tokens.length）； What is the result？（） A: An exception is thrown at runtime. B: 1 C: 4 D: Compilation fails. E: 0
- Given： 11. String test = "This is a test"； 12. String[] tokens = test.split（"/s"）； 13. System.out.println（tokens.length）； What is the result？（） A: A An exception is thrown at runtime. B: B 1 C: C 4 D: D Compilation fails. E: E 0
- 11. String test = “This is a test”； 12. String[] tokens = test.split（”\s”）； 13. System.out.println（tokens.length）； What is the result？（） A: 0 B: 1 C: 4 D: Compilation fails. E: An exception is thrown at runtime.