StackTraceElement類的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()方法用于將堆棧跟蹤元素表示為字符串，換句話說，可以說它是堆棧跟蹤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()方法是一種非靜態方法，只能通過類對象訪問，如果嘗試使用類名稱訪問該方法，則會收到錯誤消息。

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

  toString()方法在堆棧跟蹤元素的字符串表示形式時不會引發異常。

Syntax:

句法：

    public String toString();

Parameter(s):

參數：

• It does not accept any parameter.

  它不接受任何參數。

Return value:

返回值：

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

此方法的返回類型為String –表示堆棧跟蹤元素的字符串。

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

輸出量

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

翻譯自: https://www.includehelp.com/java/stacktraceelement-tostring-method-with-example.aspx