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- What is the difference between ios and java?
- The difference between ios and java: 1. ios is a handheld device operating system developed by Apple; 2. java is an object-oriented programming language that can write cross-platform application software; 3. ios development is mainly used in mobile ios Platform development, testing, upgrade and maintenance, etc., while Java technology is more widely used.
- Javagetting Started 3471 2020-04-07 09:47:09
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- What are the Java software
- Java software includes: 1. JDK, the product of installing the Java environment; 2. Intellij IDEA, an IDE that is highly popular among Java developers; 3. Eclipse, a free IDE; 4. NetBeans, an Oracle company Production IDE and so on.
- Javagetting Started 7656 2020-04-05 09:48:39
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- How to write java script
- How to write a java script: first open the java editor; then write the java code as "import java.io.file; import java.io.filenotfoundexception;"; finally execute the script file and preview the running effect through the browser.
- Javagetting Started 8756 2020-04-05 09:15:31
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- Examples to explain the integer and int types in java
- This article comes from the Java Quick Start column. It explains the integer and int types in Java with examples. It has certain reference value and I hope it can help you. The Integer type is an object class, which is a boxed package of the basic type of int.
- Javagetting Started 2150 2020-04-03 15:58:52
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- How to implement merge sort using java
- The core idea of using Java to implement merge sort is to merge two ordered sequences into a large ordered sequence. Merge sort uses recursion and divide-and-conquer techniques to divide the data sequence into smaller and smaller half sub-tables, then sorts the half sub-tables, and finally uses recursive methods to merge the sorted half sub-tables into increasingly larger ones. ordered sequence.
- Javagetting Started 2264 2020-03-30 16:25:51
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- Java persistence layer interview questions (2)
- Java interview questions: Explain the role of namespace in MyBatis; what is the meaning of dynamic SQL in MyBatis; what are the shortcomings of JDBC programming, and how MyBatis solves these problems.
- Javagetting Started 2361 2020-03-20 18:17:55
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- How to implement string compression in java
- This article comes from the Java Quick Start column. It introduces the method of string compression in Java. It has certain reference value and I hope it can help everyone. Implementation method: 1. Use double pointers for string compression; 2. Use HashMap for string compression.
- Javagetting Started 4259 2020-03-17 17:37:47
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- Three ways to generate random numbers in java
- The three methods for Java to generate random numbers are as follows: 1. Implemented through the Math.random() method; 2. Implemented by obtaining the number of milliseconds through the System.currentTimeMillis() method; 3. Implemented through the Random class.
- Javagetting Started 4022 2020-03-16 20:33:36
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- Detailed explanation of how to use the private keyword in java
- This article comes from the Java Quick Start column. It introduces how to use the private keyword. It has certain reference value and I hope it will be helpful to everyone. The private keyword cannot be assigned to external classes and interfaces.
- Javagetting Started 7467 2020-03-13 18:03:26
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- What file is hprof?
- hprof is a memory image file of the java process, which contains detailed usage information of the memory heap. How to open the hprof file: first find the hprof file path as "java-virtual\java_pid2432.hprof"; then use the software "Analyzer" to open it .
- Javagetting Started 19264 2020-03-02 09:52:57
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- An explanation of classes and objects in java
- This article comes from the Java Quick Start column. It explains the concepts of classes and objects in Java in detail with examples. I hope it can help you. The definition format of a class: [class ClassName{}], the format of creating a class object: [Person person = new person;].
- Javagetting Started 2395 2020-02-25 17:48:33
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- How to print out a diamond pattern using java
- The method to use Java to print out a diamond pattern is: 1. Nest multiple layers of loops and print in two parts; 2. The outer loop controls the number of rows, and the inner loop controls the number of columns.
- Javagetting Started 5942 2020-02-24 17:38:31
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- Three uses of this keyword in java
- This article comes from the Java introductory tutorial column. It shows you three uses of this keyword through examples. I hope it can help you. this is an object of its own, representing the object itself, which can be understood as: a pointer to the object itself.
- Javagetting Started 2712 2020-02-20 18:05:00
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- What is the default port of tomcat
- The default port of tomcat is port 8080. How to modify the port number: first open the conf directory in the tomcat installation directory and find the "server.xml" file; then find the code "Connector port="8080"" and modify the port directly.
- Javagetting Started 25573 2020-02-18 11:07:40
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- Implementation of common methods of Enum class in java
- This article comes from the Java Quick Start column. This article introduces in detail the knowledge about the implementation of common methods of the Enum class in Java. I hope it can help you. Since the Enum class implements two interfaces, Comoarable and Serializable, enumeration types can use comparators and traversal operations.
- Javagetting Started 2160 2020-02-14 18:05:09
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