软件更新时间： 2024-04-04 10:04:55 / 版本：V3.10.32 / 大小：155MB
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If you're familiar with the Visitor pattern in Java, you might have come across the problem of having to implement multiple interfaces for each visited class. This can quickly become cumbersome and lead to code duplication. Luckily, the Java GenericVisitorAdapter provides a solution to this problem.
The GenericVisitorAdapter is part of the Visitor framework provided by the Java Development Kit (JDK). It allows you to define a single Visitor interface that can handle multiple types of visited objects. This means you don't have to create a separate Visitor interface for each visited class and can reduce code duplication.
To use the GenericVisitorAdapter, you simply define a single Visitor interface that extends the GenericVisitor interface. Then, you can use the GenericVisitorAdapter to implement this interface and override the necessary visit methods for each visited class.
Here's an example:
public interface MyVisitor extends GenericVisitor<Void, Void> {
Void visit(MyObjectA objectA);
Void visit(MyObjectB objectB);
}
public class MyVisitorAdapter extends GenericVisitorAdapter<Void, Void> implements MyVisitor {
@Override
public Void visit(MyObjectA objectA) {
// Handle objectA
return null;
}
@Override
public Void visit(MyObjectB objectB) {
// Handle objectB
return null;
}
}
As you can see, the MyVisitorAdapter class extends the GenericVisitorAdapter and implements the MyVisitor interface, which contains the visit methods for both MyObjectA and MyObjectB. This allows you to handle both types of objects with a single Visitor interface.
Overall, the GenericVisitorAdapter can simplify the Visitor design pattern in Java and help reduce code duplication. If you're working on a project that makes use of the Visitor pattern, consider using the GenericVisitorAdapter to make your code more maintainable and easier to read.
Hennessy Carolina, also known as Hennessy, is a rising star in the world of hip hop and rap. Born on December 22nd, 1995 in the Bronx, New York, Hennessy is the younger sister of popular rapper Cardi B. Despite the connection to her famous sister, Hennessy has made a name for herself in the industry through her powerful lyrics and unique style.
Hennessy began rapping in 2017 and has since released several singles and collaborated with other artists. Her music often reflects her life experiences and the struggles she has faced as a woman of color in America. She is known for her confident personality and empowering messages, which have earned her a growing fan base.
Hennessey's rise to fame hasn't been without its challenges. In 2018, she was involved in an altercation at a New York Fashion Week event, which garnered negative attention from the media. However, she has remained resilient and continues to create music that resonates with her fans.
Despite being a newcomer to the rap scene, Hennessy has already made a significant impact. She has been praised for her ability to address social issues and has become a role model for young women around the world. With her talent, drive, and determination, Hennessy is poised to take the world of rap by storm.
The iPhone is one of the most iconic and influential products of the 21st century. Since its introduction in 2007, it has revolutionized the world of technology and changed the way we communicate, work, and live our lives.
Before the iPhone, mobile phones were mostly used for making calls and sending text messages. The iPhone changed all that by introducing a touch screen interface that was easy to use and intuitive. It also came with a host of features, including a built-in camera, music player, and web browser.
The iPhone has since evolved to become much more than just a phone. It has become a powerful tool for productivity, entertainment, and communication. The App Store, which was introduced in 2008, has made it possible for developers around the world to create apps that can run on the iPhone, further expanding its potential.
The iPhone has also had a significant impact on the economy. It has created jobs in the tech industry and has helped stimulate innovation and growth. Apple, the company behind the iPhone, is one of the most valuable companies in the world and has become synonymous with quality and innovation.
However, the iPhone has also faced criticism for its high price and its impact on our daily lives. Some argue that it has made us too reliant on technology and has led to a decline in face-to-face communication. Despite these criticisms, the iPhone remains a game changer in the world of technology and continues to shape the way we live our lives.
Overall, the iPhone has had a profound impact on the world and has changed the way we interact with technology. As it continues to evolve, it will be interesting to see how it shapes the future of communication and innovation.
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