本文研究的主要是java stacktraceelement的相关内容,具体介绍如下。
package com.demo.test; public class stacktracedemo { public static void testa() { testb(); } public static void testb() { stacktraceelement[] stacktraceelements = thread.currentthread().getstacktrace(); system.out.println("-------> stacktraceelement[]"); for (int i = 0; i < stacktraceelements.length; i++) { system.out.println("-------> " + i); system.out.println(stacktraceelements[i]); system.out.println("stacktraceelement.getclassname() => " + stacktraceelements[i].getclassname()); system.out.println("stacktraceelement.getfilename() => " + stacktraceelements[i].getfilename()); system.out.println("stacktraceelement.getlinenumber() => " + stacktraceelements[i].getlinenumber()); system.out.println("stacktraceelement.getmethodname() => " + stacktraceelements[i].getmethodname()); system.out.println("stacktraceelement.isnativemethod() => " + stacktraceelements[i].isnativemethod()); } } public static string getmethodname() { stacktraceelement[] stacktraceelements = thread.currentthread().getstacktrace(); if(stacktraceelements.length > 2) { return stacktraceelements[2].getmethodname(); } return null; } public static void main(string[] args) { testa(); system.out.println("\nthis's method name is " + getmethodname()); } }
-------> stacktraceelement[]
-------> 0
java.lang.thread.getstacktrace(unknown source)
stacktraceelement.getclassname() => java.lang.thread
stacktraceelement.getfilename() => null
stacktraceelement.getlinenumber() => -1
stacktraceelement.getmethodname() => getstacktrace
stacktraceelement.isnativemethod() => false
-------> 1
com.demo.test.stacktracedemo.testb(stacktracedemo.java:10)
stacktraceelement.getclassname() => com.demo.test.stacktracedemo
stacktraceelement.getfilename() => stacktracedemo.java
stacktraceelement.getlinenumber() => 10
stacktraceelement.getmethodname() => testb
stacktraceelement.isnativemethod() => false
-------> 2
com.demo.test.stacktracedemo.testa(stacktracedemo.java:6)
stacktraceelement.getclassname() => com.demo.test.stacktracedemo
stacktraceelement.getfilename() => stacktracedemo.java
stacktraceelement.getlinenumber() => 6
stacktraceelement.getmethodname() => testa
stacktraceelement.isnativemethod() => false
-------> 3
com.demo.test.stacktracedemo.main(stacktracedemo.java:32)
stacktraceelement.getclassname() => com.demo.test.stacktracedemo
stacktraceelement.getfilename() => stacktracedemo.java
stacktraceelement.getlinenumber() => 32
stacktraceelement.getmethodname() => main
stacktraceelement.isnativemethod() => falsethis's method name is main
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