Which two code fragmen

1、Which code fragment， i

Which code fragment， inserted at line 24， outputs "123abc 123abc"？（）Asb1.append（"abc"）； s1.append（"abc"）...

2、Which code fragments w

Which code fragments will succeed in initializing a two-dimensional array named tab with a size...

3、Which code， inserted a

Which code， inserted at line 14， allows the Sprite class to compile？（）ADirection d = NORTH...

4、Which code， inserted a

Which code， inserted at line 15， creates an instance of the Point class defined in Line...

5、Which code snippet， i

Which code snippet， inserted at line 8， causes the value Company to be output？（）A JspWrite...

6、Which code， inserted a

Which code， inserted at line 15， allows the class Sprite to compile？（）AFoo{public int bar（）{r...