你可能感興趣的試題

單項(xiàng)選擇題

Given the following six method names：（1）addListener（2）addMouseListener （3）setMouseListener（4）deleteMouseListener（5）removeMouseListener（6）registerMouseListenerHow many of these method names follow JavaBean Listener naming rules？（）

A.1
B.2
C.3
D.4
E.5

多項(xiàng)選擇題

Which two methods， inserted independently at line 17， correctly complete the Sales class？（）

A.double getSalesAmount（） { return 1230.45； }
B.public double getSalesAmount（） { return 1230.45； }
C.private double getSalesAmount（） { return 1230.45； }
D.protected double getSalesAmount（） { return 1230.45； }

Which three are valid on line 12？（）

你可能感興趣的試題

Given the following six method names：（1）addListener（2）addMouseListener （3）setMouseListener（4）deleteMouseListener（5）removeMouseListener（6）registerMouseListenerHow many of these method names follow JavaBean Listener naming rules？（）

Which two methods， inserted independently at line 17， correctly complete the Sales class？（）

Which three are valid on line 12？（）

Given the following six method names：（1）addListener（2）addMouseListener （3）setMouseListener（4）deleteMouseListener（5）removeMouseListener（6）registerMouseListenerHow many of these method names follow JavaBean Listener naming rules？（）

Which two methods， inserted independently at line 17， correctly complete the Sales class？（）