try 块是必须的,catch 块和 finally 块是可选的,但二者至少出现其一,也可以同时出现。
try…catch…finally 语句顺序不能颠倒。
除非在 try 或 catch 块中调用 System.exit()方法退出应用程序,否则 finally 块中的代码总会被执行。
17.javatry…catch…finally语句.zip17.javatry…catch…finally语句.zip17.javatry…catch…finally语句.zip17.javatry…catch…finally语句.zip17.javatry…catch…finally语句.zip17.javatry…catch…finally语句.zip17.javatry…catch…finally语句.zip17.javatry…catch…finally语句.zip17.javatry…catch…finally语句.zip17.javatry…catch…finally语句.zip17.javatry…catch…finally语句.zip17.javatry…catch…finally语句.zip17.javatry…catch…finally语句.zip17.javatry…catch…finally语句.zip17.javatry…catch…finally语句.zip17.javatry…catch…finally语句.zip17.javatry…catch…fin