單項(xiàng)選擇題

12. String csv = “Sue，5，true，3”；
13. Scanner scanner = new Scanner（ csv）；
14. scanner.useDelimiter（”，”）；
15. int age = scanner.nextInt（）；
What is the result？（）

A. Compilation fails.
B. After line 15， the value of age is 5.
C. After line 15， the value of age is 3.
D. An exception is thrown at runtime.

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單項(xiàng)選擇題

System.out.format（”Pi is approximately %d.”， Math.PI）；
What is the result？（）

A. Compilation fails.
B. Pi is approximately 3.
C. Pi is approximately 3.141593.
D. An exception is thrown at runtime.

單項(xiàng)選擇題

11. String test = “Test A. Test B. Test C.”；
12. // insert code here
13. String[] result = test.split（regex）；
Which regular expression inserted at line 12 will correctly split test into “Test A，” “Test B，” and “Test C”？（）

A. String regex = “”；
B. String regex = “ “；
C. String regex = “.*“.
D. String regex = “\\s”
E. String regex = “\\.\\s*”；
F. String regex = “\\w[ \.] +“；

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12. String csv = “Sue，5，true，3”； 13. Scanner scanner = new Scanner（ csv）； 14. scanner.useDelimiter（”，”）； 15. int age = scanner.nextInt（）； What is the result？（）

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System.out.format（”Pi is approximately %d.”， Math.PI）； What is the result？（）

11. String test = “Test A. Test B. Test C.”； 12. // insert code here 13. String[] result = test.split（regex）； Which regular expression inserted at line 12 will correctly split test into “Test A，” “Test B，” and “Test C”？（）

12. String csv = “Sue，5，true，3”；
13. Scanner scanner = new Scanner（ csv）；
14. scanner.useDelimiter（”，”）；
15. int age = scanner.nextInt（）；
What is the result？（）

System.out.format（”Pi is approximately %d.”， Math.PI）；
What is the result？（）

11. String test = “Test A. Test B. Test C.”；
12. // insert code here
13. String[] result = test.split（regex）；
Which regular expression inserted at line 12 will correctly split test into “Test A，” “Test B，” and “Test C”？（）