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- Sharing of common Java key interview questions
- This article shares some key Java interview questions with you, which has certain reference value and I hope it can help you.
- JavaInterview questions 2677 2020-09-30 16:18:01
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- Java basic interview questions - generics
- This article shares relevant interview questions about generics with you, which has certain reference value. I hope it can help everyone. Generics are a new feature of Java SE 1.5. The essence of generics is a parameterized type, which means that the data type being operated on is specified as a parameter.
- JavaInterview questions 2122 2020-09-28 16:26:35
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- Do you know these 10 difficult Java interview questions?
- Why are waits and notifications declared in the Object class instead of Thread? Answer: Every object can be locked. This is one reason to declare wait and notify in the Object class instead of the Thread class.
- JavaInterview questions 2630 2020-09-19 17:11:49
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- java multithreading interview questions
- Java interview questions and answers: Thread is the smallest unit that the operating system can perform calculation scheduling. It is included in the process and is the actual operating unit in the process. Programmers can use it for multi-processor programming, and you can use multi-threading to speed up computationally intensive tasks.
- JavaInterview questions 1627 2020-09-17 17:23:50
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- Java high-frequency basic interview questions——(9)
- Java interview questions and answers: This article shares some database-related interview questions with you, which has certain reference value and I hope it can help you. If you want to become a qualified Java back-end developer, database knowledge is essential. The test of familiarity with the database is also a test of whether the person has solid basic skills.
- JavaInterview questions 1582 2020-09-14 11:22:28
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- Java high-frequency basic interview questions——(8)
- What is an ORM? Answer: Object-Relational Mapping (ORM) is a technology that solves the problem of mismatch between the object-oriented model of the program and the relational model of the database.
- JavaInterview questions 1696 2020-09-11 15:59:04
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- Java high-frequency basic interview questions——(7)
- What are the benefits of using Spring framework? Answer: 1. Lightweight; 2. Inversion of control; 3. Aspect-oriented programming; 4. Containers; 5. MVC framework; 6. Transaction management; 7. Exception handling.
- JavaInterview questions 2082 2020-09-09 17:48:18
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- Java high-frequency basic interview questions——(6)
- Java interview questions and answers: This article introduces some common Java interview questions to you, which has certain reference value and I hope it can help you. Struts is a Web layer framework designed according to the MVC pattern. In fact, it is a Servlet. This Servlet is called ActionServlet.
- JavaInterview questions 2260 2020-09-07 18:00:09
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- Java high-frequency basic interview questions——(5)
- The basic steps for JDBC to access the database: load the driver; obtain the connection object Connection through the DriverManager object; obtain the session through the connection object; add, delete, modify and query data through the session, encapsulate the object; close the resource.
- JavaInterview questions 1902 2020-09-03 16:24:05
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- Java high-frequency basic interview questions——(4)
- Servlet has a well-defined life cycle, including loading and instantiation, initialization, request processing, and service termination. This lifetime is expressed by the init(), service() and destroy methods of the javax.servlet.Servlet interface.
- JavaInterview questions 1757 2020-09-02 16:08:57
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- Java high-frequency basic interview questions——(3)
- What is the use of a.hashCode()? What is the relationship with a.equals(b)? Answer: The hashCode() method corresponds to the hash value of the object's integer type. It is commonly used in hash-based collection classes, such as Hashtable, HashMap, LinkedHashMap, etc.
- JavaInterview questions 2415 2020-08-31 16:49:48
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- Java high-frequency basic interview questions——(2)
- The difference between String and StringBuffer: They can store and operate strings, that is, character data containing multiple characters. The String class provides numerically immutable strings. The string provided by this StringBuffer class can be modified.
- JavaInterview questions 2249 2020-08-29 16:18:26
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- Java high-frequency basic interview questions - collection framework part
- Java interview questions and answers: What is the difference between ArrayList and Vector? Vector is thread-safe, which means that its methods are thread-synchronized, while ArrayList is thread-unsafe, and its methods are thread-asynchronous.
- JavaInterview questions 1714 2020-08-28 15:49:29
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- Java high frequency basic interview questions
- Is it possible to issue a call to a non-static method from within a static method? Can't. Because non-static methods are associated with objects, an object must be created before method calls can be made on the object. However, static methods do not need to create an object when calling, and can be called directly.
- JavaInterview questions 2208 2020-08-26 15:38:17
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- Java basic interview questions (1)
- Can multiple classes (not inner classes) be included in a ".java" source file? What are the restrictions? There can be multiple classes, but there can only be one public class, and the public class name must be consistent with the file name.
- JavaInterview questions 2206 2020-08-24 16:08:32