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.
A: 0
B: 1
C: 4
D: Compilation fails.
E: An exception is thrown at runtime.
举一反三
- 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.
- 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
- 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: 0 B: 1 C: 4 D: Compilation fails.