Java 尝试...捕获...最终的异常处理机制。
尝试...捕获...最终的异常处理机制。
实例源码：
源代码：
执行
执行中...
x
1
2
public class Main /*时 代 J a v a 提供*/3
4
{5
6
public static void main(String[] args)7
8
{9
10
try 11
12
{ 13
14
throwException(); 15
16
}17
18
catch (Exception exception) // exception thrown by throwException19
20
{21
22
System.err.println("Exception handled in main");23
24
} 25
26
27
doesNotThrowException();28
29
} 30
/*31
from n o w j a v a . c o m - 时代Java 32
*/33
34
35
// demonstrate try...catch...finally36
37
public static void throwException() throws Exception38
39
{40
41
try // throw an exception and immediately catch it42
43
{ 44
45
System.out.println("Method throwException");46
47
throw new Exception(); // generate exception48
49
}50
51
catch (Exception exception) // catch exception thrown in try52
53
{54
55
System.err.println(56
57
"Exception handled in method throwException");58
59
throw exception; // rethrow for further processing60
61
62
// code here would not be reached; would cause compilation errors63
64
65
} 66
67
finally // executes regardless of what occurs in try...catch68
69
{70
71
System.err.println("Finally executed in throwException");72
73
}74
75
76
// code here would not be reached; would cause compilation errors77
78
79
}80
81
82
// demonstrate finally when no exception occurs83
84
public static void doesNotThrowException()85
86
{87
88
try // try block does not throw an exception89
90
{ 91
92
System.out.println("Method doesNotThrowException");93
94
}95
96
catch (Exception exception) // does not execute97
98
{99
/**代码未完, 请加载全部代码(NowJava.com).**/执行结果：
本文系作者在时代Java发表，未经许可，不得转载。如有侵权，请联系nowjava@qq.com删除。
编辑于
关注时代Java