java object oriented interview questions

/* Interview questions: Final modification of local variables Base type: The value of the base type cannot be changed. Reference type: The address value of a reference type cannot be changed, but the value of the object's heap memory can be changed. */ Class Student { int age = 10; } Class Finaltest { public static void Main (string[] args) { Local variables are basic data types int x = 10; x = 100; SYS

JS Object-oriented interview data1 tell me about your understanding of closures.Closures are used primarily to design private methods and variables. The advantage of closure is to avoid the pollution of global variables, the disadvantage is that the closure will be resident memory, will increase memory usage, improper use can easily cause memory leaks.Closures ha

Summary and Induction of JAVA interview questions of Niuke Network (1), Niuke javaPreface Today, I saw an article on explaining the Spring framework in the Nuggets. The article mentioned Niu Ke's interview questions. As a result, I downloaded the Niuke web app and found that

Controller: When the user clicks the Submit button in the Web page, the controller accepts the request and invokes the appropriate model to process the request. The corresponding view is then called according to the result of the processing to display the results of the processing. MVC process: First the controller accepts the user's request, invokes the corresponding model for business processing, and returns the data to the controller. The controller invokes the corresponding view to

1: Object-oriented programming has many important features:Encapsulation, inheritance, polymorphism, and abstraction.2: What is a Java virtual machine? Why is Java called a "platform-agnostic programming language"?(1) A Java Virtual machine is a virtual machine process that

After several rounds of interviews, I will summarize the questions frequently asked during the interview: 1. What is the difference between iPad development and iPhone development? A: The development of iPad and iPhone applications use the same SDK. The differences between these sdks are mainly reflected in the hardware and UI operations of devices. (1) device hardware: Because the iPad does not have the p

). In the process of populating the handler, depending on your configuration, Spring will do some extra work for you: Httpmessageconveter: Converts the request message (such as Json, XML, and so on) to an object, converting the object to the specified response information. Data Transformation: Data conversion for a request message. such as string conversion to Integer, double, and so on. Data is initiali

115 Java Interview Questions and answers-ultimate list (I), 115 java Object-Oriented Programming (OOP) Java is a computer programming language that supports concurrency, class-based,

according to the part, and each part is assigned to the designated person to do it;The end is to assemble all the finished parts, which is a bicycle;In this way, the bicycle, maintainability and extensibility are stronger than the process-oriented thinking;The only drawback is that the upfront investment time is a little longer;Java object-

1: Object oriented thinkingObject-oriented is a process-oriented programming idea.Process oriented: Emphasis on the steps of each of these functionsObject-oriented: emphasizes the object