ClassLoader类setClassAssertionStatus()方法 (ClassLoader Class setClassAssertionStatus() method)

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

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

• setClassAssertionStatus() method is used to sets the assertion status for the named top-level class in this class loader or any nested classes contains in the class loader.

  setClassAssertionStatus()方法用于设置此类加载器中命名的顶级类或该类加载器中包含的任何嵌套类的断言状态。

• setClassAssertionStatus() 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.

  setClassAssertionStatus()方法是一个非静态方法，只能通过类对象访问，如果尝试使用类名访问该方法，则会收到错误消息。

• setClassAssertionStatus() method does not throw an exception at the time of the set assertion status of the class.

  setClassAssertionStatus()方法在设置类的断言状态时不会引发异常。

Syntax:

句法：

    public void setClassAssertionStatus(String cl_name, boolean status);

Parameter(s):

参数：

• String cl_name – represents the fully qualified name of the top-level class whose assertion status is to be set.

  字符串cl_name –表示要设置其声明状态的顶级类的全限定名称。

• boolean status – represents the status of assertions when the named class is to have assertion enabled. It returns true and when the named class is to have assertion disabled, it returns false.

  布尔状态 –表示要启用命名类时断言的状态。 它返回true，并且当命名类禁用断言时，它返回false。

Return value:

返回值：

The return type of this method is void, it returns nothing.

此方法的返回类型为void ，不返回任何内容。

Example:

例：

// Java program to demonstrate the example 
// of void setClassAssertionStatus () method of ClassLoader 
public class setClassAssertionStatusOfClassLoader {
public static void main(String[] args) throws Exception {
// Load a class
Class cl = Class.forName("setClassAssertionStatusOfClassLoader");
// It returns the ClassLoader associated with the
// class Object
ClassLoader loader = cl.getClassLoader();
// Display loader
System.out.println("loader Class: " + loader.getClass());
// By using setClassAssertionStatus() method is to set the 
//desired status and sets the status to true
loader.setClassAssertionStatus("setClassAssertionStatusOfClassLoader", true);
}
}

Output

输出量

loader Class: class jdk.internal.loader.ClassLoaders$AppClassLoader

翻译自: https://www.includehelp.com/java/classloader-setclassassertionstatus-method-with-example.aspx