单项选择题
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?()
单项选择题 11. String test = “This is a test”; 12. String[] tokens = test.split(”\s”); 13. System.out.println(tokens.length); What is the result?()
单项选择题 16. Date d = new Date(0L); 17. String ds = “December 15, 2004”; 18. // insert code here What updates ds value with the date represented by ds?()