单项选择题
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.
相关考题
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单项选择题
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. -
单项选择题
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[ \.] +“; -
单项选择题
11. String test= “a1b2c3”; 12. String[] tokens = test.split(”\\d”); 13. for(String s: tokens) System.out.print(s +“ “); What is the result?()
A. a b c
B. 1 2 3
C. a1b2c3
D. a1 b2 c3
E. Compilation fails.
F. The code runs with no output.
G. An exception is thrown at runtime.
