利用Java获取文件名、类名、方法名和行号的方法小结

public static int getLineNumber( ){  StackTraceElement[] stackTrace = new Throwable().getStackTrace();  return stackTrace[1].getLineNumber( );}public static String getMethodName( ){  StackTraceElement[] stackTrace = new Throwable().getStackTrace();  return stackTrace[1].getMethodName( );}public static String getFileName( ){  StackTraceElement[] stackTrace = new Throwable().getStackTrace();  return stackTrace[1].getFileName( );}public static String getClassName( ){  StackTraceElement[] stackTrace = new Throwable().getStackTrace();  return stackTrace[1].getClassName();}