2
24
234
246
2346
Compilation fails.
第1题：
Given： 11.String test = "This is a test"； 12.String[] tokens = test.split（"/s"）； 13.System.out.println（tokens.length）； What is the result？（）
第2题：
collie
harrier
Compilation fails.
collie harrier
An exception is thrown at runtime.
第3题：
A.00
B.0001
C.000120
D.00012021
E.Compilation fails.
F.An exception is thrown at runtime.
第4题：
Compilation fails.
An exception is thrown at runtime.
The code executes normally and prints "sleep".
The code executes normally， but nothing is printed.
第5题：
test
Exception
Compilation fails.
NullPointerException
第6题：
Given： 12. System.out.format（"Pi is approximately %d."， Math.PI）； What is the result？（）
第7题：
r， t， t，
r， e， o，
Compilation fails.
An exception is thrown at runtime.
第8题：
A.True
B.Not true
C.An exception is thrown at runtime.
D.Compilation fails because of an error at line 12.
E.Compilation fails because of an error at line 19.
第9题：
2
3
12
23
123
Compilation fails.
An exception is thrown at runtime.
第10题：
2
24
234
246
2346
Compilation fails.