java 根據類名示例化類

類的類requiredAssertionStatus()方法 (Class class desiredAssertionStatus() method)

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

  requiredAssertionStatus()方法在java.lang包中可用。

• desiredAssertionStatus() method is used to return the desired assertion status of the given class when it was to be initialized at the time of this method is called.

  當在調用此方法時要初始化給定類時，使用requiredAssertionStatus()方法返回給定類的所需斷言狀態。

• desiredAssertionStatus() 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.

  requiredAssertionStatus()方法是一種非靜態方法，僅可通過類對象訪問，如果嘗試使用類名稱訪問該方法，則會收到錯誤消息。

• desiredAssertionStatus() method does not throw an exception at the time of getting desired assertion status.

  所需的斷言狀態時， desiredAssertionStatus()方法不會引發異常。

Syntax:

句法：

    public boolean desiredAssertionStatus();

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 boolean, it returns true when desired assertion status is returned.

此方法的返回類型為boolean ，當返回所需的斷言狀態時，它返回true。

Example:

例：

// Java program to demonstrate the example 
// of boolean desiredAssertionStatus() method of Class 
public class DesiredAssertionStatusOfClass {
public static void main(String[] args) {
// Creating an instance of the class
DesiredAssertionStatusOfClass assertion = new DesiredAssertionStatusOfClass();
// Get Class by using getClass() method
Class cl = assertion.getClass();
// Display this Class
System.out.println("Class: " + cl);
// By using desiredAssertionStatus() method is to get the 
// status of this class DesiredAssertionStatusOfClass
boolean assertion_status = cl.desiredAssertionStatus();
// Display assertion status of the class  
System.out.println("Assertion Status: " + assertion_status);
}
}

Output

輸出量

Class: class DesiredAssertionStatusOfClass
Assertion Status: false

翻譯自: https://www.includehelp.com/java/class-class-desiredassertionstatus-method-with-example.aspx

java 根據類名示例化類