StackTraceElement类的toString()方法 (StackTraceElement Class toString() method)

• toString() method is available in java.lang package.

  toString()方法在java.lang包中可用。

• toString() method is used to represent stack trace element as a string or in other words, we can say it is string denotation of stack trace element.

  toString()方法用于将堆栈跟踪元素表示为字符串，换句话说，可以说它是堆栈跟踪元素的字符串表示形式。

• toString() method is a non-static method, it is accessible with the class object only and if we try to access the method with the class name then we will get an error.

  toString()方法是一种非静态方法，只能通过类对象访问，如果尝试使用类名称访问该方法，则会收到错误消息。

• toString() method does not throw an exception at the time of string representation of stack trace element.

  toString()方法在堆栈跟踪元素的字符串表示形式时不会引发异常。

Syntax:

句法：

    public String toString();

Parameter(s):

参数：

• It does not accept any parameter.

  它不接受任何参数。

Return value:

返回值：

The return type of this method is String – it denotes string of stack trace element.

此方法的返回类型为String –表示堆栈跟踪元素的字符串。

Example:

例：

// Java program to demonstrate the example 
// of String toString() method of StackTraceElement 
import java.io.*;
import java.util.*;
public class ToString {
public static void main(String args[]) {
System.out.println("Native Method :");
for (int k = 0; k < 2; ++k) {
// String representation of a thread by using
// toString() method
System.out.print(Thread.currentThread().getStackTrace()[k].toString());
}
}
}

Output

输出量

Native Method :
java.base/java.lang.Thread.getStackTrace(Thread.java:1606)ToString.main(ToString.java:13)

翻译自: https://www.includehelp.com/java/stacktraceelement-tostring-method-with-example.aspx