【单选题】Swing中要响应动作事件必须实现ActionListener接口,而实现ActionListenrer接口必须实现的方法是 ( )。
【单选题】In London, June is usually almost as hot as July. What does this mean?
A.
June is usually hotter than July.
B.
July is usually hotter than June.
C.
July isn't usually as hot as June.
【判断题】渔业产值是指从水域中捕捞的野生或养殖的水生动、植物产品的产值,只包括海水产品的产值,不包括内陆水域水产品的产值。
【简答题】保护水资源的意义是:水是生命的源泉;水是工农业生产的基本条件;水是发展水电、水运和水产事业的()。
【判断题】ActionListener接口在java.awt.包中。
【单选题】以下关于 ActionListener 接口 的说法中,哪一项是错误的?
A.
ActionListener 接口在 java.awt. 包中 。
B.
ActionListener 接口中只有一个方法 。
C.
监 听 器调用 actionPerformed(Acti o n e) 方法 对发生的事件作出处理 。
D.
actionPerformed(Acti o n e) 的参数 e 表示事件源。
【单选题】Swing中要响应动作事件必须实现ActionListener接口,而实现ActionListenrer接口必须实现的方法是 ( )。
【单选题】---What does the instruction say? ---The colors in the dress will _______ if you use hot water.
【单选题】In London, June is usually almost as hot as July.
A.
June is usually hotter than July.
B.
July is usually hotter than June.
C.
July isn't usually as hot as June.
【单选题】ActionListener接口中的方法是( )
B.
actionPerformed(Action e)