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.
查看答案
有害气体净化方法中的吸附法在机械、仪表、轻工等行业,对苯类、醇类等有机蒸气的净化与回收工程,已广泛应用,并且吸附效率为()
血液水浴时,血袋应保持()。
A. 完全浸入水中
B. 垂直,各种导管不接触水面
C. 平放水中
D. 垂直
E. 以上都不对