java中异常(Exception)的定义,意义和用法。举例
2014-08-26 15:02
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我们先给出一个例子,看看异常有什么用?
例:1.1
public class Test {
public static void main(String[] args) {
int userInput=0;
int I = 6 / userInput;
System.out.println("马克-to-win:优雅结束");
}
}
输出结果:
Exception in thread "main" java.lang.ArithmeticException: / by zero
at Test.main(Test.java:4)
例:1.1.2
public class Test {
public static void main(String[] args) {
try
{
int userInput=0;
int I = 6 / userInput;
}
catch(Exception e)
{
System.out.println(e);
。。。。。。。。。。。。。。。。。
详情请进:http://www.mark-to-win.com/JavaBeginner/JavaBeginner5_web.html#PointDefinitionUsageException
例:1.1
public class Test {
public static void main(String[] args) {
int userInput=0;
int I = 6 / userInput;
System.out.println("马克-to-win:优雅结束");
}
}
输出结果:
Exception in thread "main" java.lang.ArithmeticException: / by zero
at Test.main(Test.java:4)
例:1.1.2
public class Test {
public static void main(String[] args) {
try
{
int userInput=0;
int I = 6 / userInput;
}
catch(Exception e)
{
System.out.println(e);
。。。。。。。。。。。。。。。。。
详情请进:http://www.mark-to-win.com/JavaBeginner/JavaBeginner5_web.html#PointDefinitionUsageException
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