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- Java calculates the sum of binary strings
- Java introductory tutorial: This article shares with you the method of calculating the sum of binary strings in Java. It has certain reference value and I hope it can be helpful to everyone.
- Javagetting Started 2484 2020-12-01 14:45:18
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- What is the difference between array and linked list
- The difference between arrays and linked lists is: 1. Arrays allocate memory statically, and linked lists allocate memory dynamically; 2. Arrays are continuous in memory, and linked lists are not continuous in memory; 3. Array elements are in the stack area, and linked list elements are in the heap area.
- Javagetting Started 18265 2020-12-01 09:42:05
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- What are the commonly used file operations in java?
- Byte stream: When reading a byte stream, one byte is returned when a byte is read; mainly used for reading pictures, MP3, and AVI video files. Character stream: The character stream uses a byte stream to read one or more bytes. For example, when reading Chinese, 2 bytes will be read at a time. As long as you are dealing with plain text data, you should give priority to using character streams.
- Javagetting Started 9052 2020-11-27 15:30:42
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- What are the methods for downloading network files in java
- Java introductory tutorial: This article shares several methods for downloading network files in Java. It has certain reference value and I hope it can help everyone.
- Javagetting Started 3163 2020-11-26 15:47:13
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- What is the difference between byte stream and character stream in java
- The difference between byte stream and character stream in Java is: character stream uses buffer, and byte stream uses bytes for data processing operations.
- Javagetting Started 2505 2020-11-25 15:46:47
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- What file is jar?
- A jar file is an archive file built in zip format with a .jar file extension. It is usually used to aggregate a large number of Java class files, related metadata and resource files into one file in order to develop Java platform application software or libraries.
- Javagetting Started 24902 2020-11-30 14:57:07
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- How many ways does java have to connect to mysql? What are the differences?
- Java introductory tutorial: This article introduces five methods of connecting Java to MySQL. It has certain reference value and I hope it can help everyone.
- Javagetting Started 2579 2020-11-23 15:33:31
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- How to determine whether there is an intersection between two collections in java
- This article introduces you to the Java method of determining whether there is an intersection between two collections. It has certain reference value and I hope it can help you.
- Javagetting Started 16407 2020-11-20 15:13:58
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- What are the several ways of map traversal?
- There are four ways to traverse the map, namely: 1. Use a for loop to traverse the map; 2. Use iteration to traverse the map; 3. Use keySet to iterate over the map; 4. Use entrySet to traverse the map.
- Javagetting Started 77951 2022-01-12 15:53:11
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- Introduction to java naming conventions and naming formats
- Java introductory tutorial: This article shares the naming conventions and naming formats in Java. It is helpful to beginners. I hope it can help everyone.
- Javagetting Started 3051 2020-11-18 15:17:51
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- What is the difference between forwarding and redirecting
- The difference between forwarding and redirection is: 1. The number of requests is different; 2. The address bar will change when redirecting, but it will not change when forwarding; 3. Redirecting requests twice does not share data, forwarding requests sharing once data.
- Javagetting Started 77840 2020-11-30 14:19:25
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- What is the difference between filter and interceptor
- The difference between filters and interceptors is: 1. The interceptor is based on the java reflection mechanism, and the filter is based on function callbacks; 2. The interceptor does not depend on the servlet container, and the filter depends on the servlet container; 3. The interceptor only responds to action requests. Function, filters can work on almost all requests.
- Javagetting Started 15249 2020-11-17 17:00:16
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- Comparative operation analysis of == and equals in java
- Getting started with java: This article uses example code to conduct a comparative analysis of == and equals. It has certain reference value and I hope it can help everyone.
- Javagetting Started 2264 2020-11-17 15:11:33
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- What is the difference between list and map
- The difference between list and map is: 1. List is a collection that stores single-column data, and map is a collection that stores double-column data; 2. The data stored in list is ordered, while the data stored in map is unordered; 3. The list allows duplication, the keys of the map cannot be repeated, and the values can be repeated.
- Javagetting Started 22401 2020-11-17 11:14:59
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- Java uses json files to import and export database data
- At work, we may encounter situations where we need to quickly move some data in one environment to another environment. At this time, we can do this by importing and exporting json files.
- Javagetting Started 5497 2020-11-16 15:34:58