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- 3 ways to create threads in Java and their differences
- How to create thread in java? The following article will introduce to you 3 ways to create threads and their differences. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to everyone.
- Javagetting Started 2964 2019-11-27 16:12:38
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- How to create objects in Java? Five ways to introduce
- In fact, there are many ways to create objects, not only the new method to create objects, but also the reflection mechanism to create objects, the clone method to create objects, and the serialization and deserialization methods to create objects. Here is a summary of several ways to create objects, so as to learn how to create objects in Java.
- Javagetting Started 3180 2019-11-26 17:09:47
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- Detailed explanation of Java generics (summary of knowledge points)
- Generics are a very basic and important concept in programming language design. What are generics in Java? Why are they there? How did they develop?
- Javagetting Started 3173 2019-11-26 17:10:06
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- 10 key knowledge points about Java exceptions
- An exception is a problem that prevents the current method or scope from continuing execution. The following article summarizes ten key knowledge points about Java exceptions, which are useful in interviews or at work.
- Javagetting Started 1755 2019-11-26 17:10:16
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- What do queues in java include?
- Queues in "java" include: 1. Restricted queue; 2. Priority queue; 3. Thread-safe queue based on linked list; 4. Bounded queue based on array; 5. Unbounded queue based on linked list; 6. Priority-based queue. Sequential unbounded queue; 7. Queue based on time priority; 8. Queue without containers inside.
- Javagetting Started 4329 2019-11-26 16:22:02
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- What is the process of developing management information system using java and sql
- The process of developing a management information system using "java" and "sql" is: first need to conduct demand analysis, then start system design, then system development, system testing, and finally formal system operation and system maintenance.
- Javagetting Started 2437 2019-11-26 15:37:25
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- java object-oriented final modifier
- This article introduces the knowledge related to final modifier in detail from the java introductory tutorial column, hoping to help everyone understand better. The final keyword can be used to modify classes, variables and methods. When final modifies a variable, it means that the variable cannot be changed once it obtains the initial value.
- Javagetting Started 2704 2019-11-26 14:43:17
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- Detailed introduction to new features of JDK8
- This article introduces some new features in JDK8 from the java zero-based entry column. Everyone is welcome to correct errors! The new features in JDK8 mainly include: 1. Functional programming; 2. Lambda expressions; 3. Functional interfaces; 4. Method references; 5. static methods.
- Javagetting Started 2994 2019-11-26 13:45:05
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- Detailed introduction to the scanner class in java
- Below, the Java Development Introduction column will introduce the use of the scanner class in Java. I hope it can help students in need. The implementation steps of scanner: 1. Import the scanner class; 2. Instantiate a scanner object; 3. Call methods in the scanner class through the scanner object.
- Javagetting Started 3355 2019-11-26 13:13:43
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- What are the runtime data areas in JVM
- The following java introductory column will introduce to you what the runtime data areas in the JVM are. I hope it can help you further understand the JVM. The runtime data area in the JVM is divided into: 1. Program counter; 2. Java virtual machine stack; 3. Heap; 4. Local method stack; 5. Method area.
- Javagetting Started 2767 2019-11-26 11:10:26
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- An article will give you a detailed understanding of class inheritance and polymorphism in Java
- This article introduces the concepts of class inheritance and polymorphism in Java in detail from the java introductory program column. I hope it can help students who are learning java. The definition of subclasses in Java generally uses the keyword "extends". Java only supports single inheritance, which can avoid possible conflicts between multiple parent classes.
- Javagetting Started 2199 2019-11-26 10:56:50
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- What does the transient keyword in java do?
- Below, the Java zero-based introduction column will introduce the role of the "transient" keyword to everyone, hoping to help students in need. The keyword "transient" in Java is used to indicate that a certain attribute is a temporary attribute. When serializing data, it means that one of the attributes does not want to be serialized into a file.
- Javagetting Started 3220 2019-11-26 10:30:28
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- In-depth understanding of XOR operator in java
- This article is from the java introductory learning column to introduce how to understand the XOR operator in java. I hope it can help you. The XOR operator is summarized in 8 words: "The same number will output 0; the difference will output 1." Two identical numbers will output 0, which is false, and if the other number is 0, it will output itself.
- Javagetting Started 4168 2019-11-26 10:20:44
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- The difference between two types of object instantiation in Java's String class
- This article introduces the difference between the two types of object instantiation in Java's String class from the java introductory column. I hope it can help you. Difference: Direct assignment will only open up one heap memory space, but assignment through the construction method will open up two heap memory spaces.
- Javagetting Started 2274 2019-11-25 17:13:34
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- How to install jdk1.8 under linux system
- This article introduces how to install jdk1.8 under the Linux system from the java introductory program column. I hope it will be helpful to friends who are learning java! After downloading the jdk, you need to edit the profile file in the etc directory, then modify the path of "Javah_home", and finally check whether the configuration is successful.
- Javagetting Started 2256 2019-11-25 17:02:03
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