Analysis of the technical principles of the Java library in the PNUTS framework

The PNUTS framework is a powerful Java script engine that allows developers to use simple syntax to write and execute the Java code.In the PNUTS framework, the Java class library plays an important role. It provides developers with rich functions and powerful tools for rapid construction of efficient applications. The analysis of the Java class library technical principles of the PNUTS framework is as follows: 1. Introduction of Java Library: The PNUTS framework allows the Java class library to introduce through the Import statement.Developers can use the Import keyword to import the required Java classes in order to use the functions and methods in these libraries when writing the PNUTS script. For example, we can use the following code to import the Math class in the Java library: pnuts import java.lang.Math; 2. Create an instance of the Java class: In the PNUTS framework, developers can directly use the constructor of the Java class to create an instance of this class.The constructor can be called through the keywords of the `new` keywords, and the required parameters can be passed. The following is a sample code for creating an example of a Java class using the PNUTS framework: pnuts var myObject = new java.util.ArrayList(); In the above code, we used the ArrayList class in the Java class library to create an instance called `myObject`. 3. Method to call Java class: Once the Java class is created, the PNUTS framework allows developers to call the method of this class by using a point operator.In this way, you can access the rich features in the Java library and apply them in the PNUTS script. The following is an example code that calls the Java method in the PNUTS framework: pnuts myObject.add("Hello"); myObject.add("World"); var size = myObject.size(); In the above code, we first called the `adD` method of the` myObject` instance to add two elements, and then call the `size` method to get the size of the list. 4. Visit the attributes of the Java class: Similar to the call method, the PNUTS framework allows direct access to the attributes of the Java class.Developers can access and modify the various attributes and variables defined in the Java class through point operators. The following is a sample code for accessing the Java attributes in the PNUTS framework: pnuts myObject.size = 10; var capacity = myObject.capacity; In the above code, we modify the size of the `MyObject` instance to set the` SIZE` property to 10, and use the `Capacity` property to obtain its capacity. It should be noted that if you need to use the Java class library in the PNUTS script, the relevant configuration is also required.First of all, developers need to add the required Java paths to the configuration file of PNUTs so that the PNUTS framework can be found and loaded these libraries.Secondly, it is also necessary to ensure that the PNUTS framework is compatible with the required Java operating environment, and appropriate configuration and adjustment according to actual needs. To sum up, the Java library technology principles in the PNUTS framework are introduced by introducing Java class libraries, creating Java classes, calling the Java class, and access to Java class, providing developers with rich functions and flexibility.Through reasonable configuration and encoding, you can make full use of the Java library in the PNUTS framework to build an efficient application.