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- Introduction to several states of java threads
- The five major states of java threads are: creation state (New), ready state (Runnable), running state (Running), blocked state (Blocked), and death state (Dead).
- JavaBase 3382 2019-12-26 13:48:39
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- How to sort java array
- Java array sorting method: 1. Use Arrays.sort() to sort. The Arrays.sort() sorting method is the simplest and most commonly used sorting method in java. 2. Bubble sorting. 3. Select sorting. 4. Reverse sorting.
- JavaBase 21383 2019-12-26 13:34:00
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- How to implement serialization in java
- Methods to implement serialization in java: 1. Use the Serializable interface to implement serialization. This interface is an iconic interface that marks this type of object as being serializable. 2. Use the Externalizable interface to implement serialization.
- JavaBase 5307 2019-12-26 11:51:09
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- What is a domain in java
- Domains in Java are member variables in a class, which reflect the state of the class, and state changes are implemented by methods in the class body. Domains must be defined directly in the class body and cannot be included in method definitions.
- JavaBase 3598 2019-12-26 11:37:16
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- Detailed explanation of java concurrent programming
- Java concurrent programming is the most difficult to understand but also the most important knowledge point in the entire Java development system. It is also the basis for the implementation of various concurrent components in various open source distributed frameworks. This article provides you with a detailed introduction to concurrent programming in Java, and I hope it will be of some help to you.
- JavaBase 2586 2019-12-25 17:12:11
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- Causes and avoidance methods of garbled IO streams in Java
- Reasons for garbled IO streams: 1. The encoding and decoding rules are inconsistent. 2. The character encoding does not support a certain language. Avoidance method: Use the byte[]getBytes() and String(byte[], bytes) methods for encoding and decoding respectively.
- JavaBase 2115 2019-12-25 17:11:04
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- Java determines whether an object is empty
- How to determine whether an object is empty in java: 1. Use StringUtils under the org.apache.commons.lang package to determine. 2. Use StringUtils under the org.springframework.util package to judge.
- JavaBase 8929 2019-12-25 09:26:37
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- The difference between comparable and comparator in java
- This article is recommended by the java zero-based entry column. The article introduces the difference between internal comparators and external comparators through examples. I hope it can help everyone. There are two types of comparators in Java, namely: 1. Internal comparator (Comparable interface); 2. External comparator (Comparator interface).
- JavaBase 2626 2019-12-24 17:47:54
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- Java implements two threads to alternately print
- This article is recommended by the java zero-based entry column. The article introduces how to realize alternate printing of two threads through examples. I hope it can help you. 1. Use ReentrantLock to realize alternate printing between two threads; 2. Use LinkedTransferQueue to realize alternate printing between two threads.
- JavaBase 3369 2019-12-24 17:56:25
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- Detailed graphic explanation of Java RMI (with examples)
- Java remote method invocation, or Java RMI (Java Remote Method Invocation), is an application programming interface used to implement remote procedure calls in the Java programming language. This article introduces Java's RMI in detail, and I hope it will be helpful to you.
- JavaBase 5938 2019-12-24 17:33:29
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- Java method to determine if a string is not empty
- How to determine whether a string is empty in Java: 1. Use "str!=null" to determine. Null means that the string does not point to anything. 2. Use """.equals(str)" to judge. "" means that it points to a string of length 0. 3. Use "str.length()!=0" to judge.
- JavaBase 5847 2019-12-24 17:15:21
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- Java uses if to determine whether strings are equal
- Java uses if to determine whether strings are equal: For example, to determine whether string a and string b are equal, you can use the "if(!a.equals(b))" statement to determine. The equals() method is used to compare the string with the specified Object comparison, returns true if the given object is equal to the string; otherwise returns false.
- JavaBase 3567 2019-12-24 15:47:51
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- Solution to java output Chinese garbled characters to html
- Solution to Java outputting Chinese garbled characters to HTML: 1. Use the response.setHeader() method to specify the HTML encoding format, and then use the getOutputStream() method to write the specified encoding format data. 2. Use the getWriter() method to write data.
- JavaBase 2590 2019-12-24 15:36:22
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- How to solve java garbled code in eclipse
- Solution to java garbled code in eclipse: 1. Change the encoding format of the entire file type. 2. Change the encoding format of the entire Eclipse workspace. 3. Change the console encoding format. 4. Change the encoding format of a single file.
- JavaBase 2828 2019-12-24 15:17:06
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- Introduction to several common errors in Java
- Common errors in Java: 1. Null pointer error, solution: add protection, and judge when the element is not null. 2. Copy the string multiple times. 3. There is no object returned by clone. 4. Copy wrong data.
- JavaBase 4597 2019-12-23 15:43:28
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