java异常对象的实例_Java 堆栈展开并从异常对象获取数据。

public class Main

/*

from n o w j a v a . c o m - 时代Java

*/

{

public static void main(String[] args)

{

try

{

method1();

}

catch (Exception exception) // catch exception thrown in method1

{

System.err.printf("%s%n%n", exception.getMessage());

exception.printStackTrace(); /**来 自 nowjava - 时代Java**/

// obtain the stack-trace information

StackTraceElement[] traceElements = exception.getStackTrace();

System.out.printf("%nStack trace from getStackTrace:%n");

System.out.println("Class\t\tFile\t\t\tLine\tMethod");

// loop through traceElements to get exception description

for (StackTraceElement element : traceElements)

{

System.out.printf("%s\t", element.getClassName());

System.out.printf("%s\t", element.getFileName());

System.out.printf("%s\t", element.getLineNumber());

System.out.printf("%s%n", element.getMethodName());

}

}

}

// call method2; throw exceptions back to main

public static void method1() throws Exception

{

method2();

}

// call method3; throw exceptions back to method1

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