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- Java interview - talk about the methods of inter-process communication
- Pipes are a half-duplex communication method. Data can only flow in one direction and can only be used between processes that are related. Process affinity usually refers to the parent-child process relationship.
- Javagetting Started 3364 2021-01-15 10:51:40
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- Use java to determine the position where a character first appears
- This article introduces the method of using Java to determine the position where a character first appears. It has certain reference value and I hope it can be helpful to everyone.
- Javagetting Started 3034 2021-01-15 10:22:54
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- Java implements addition, deletion, query and modification of sequence table
- The sequence table is a linear structure that is stored sequentially in a segment of storage units with continuous physical addresses. Generally, array storage is used. Complete the addition, deletion, checking and modification of data on the array.
- Javagetting Started 3109 2021-01-11 09:43:35
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- Why does Java need to rewrite hashcode when rewriting equals?
- Java introductory tutorial: Rewriting equals does not necessarily require hashcode, it depends on the actual situation. For example, it is not necessary when a container is not used, but if a container such as HashMap is used, and a custom object is used as the Key, it must be rewritten.
- Javagetting Started 2709 2021-01-08 10:22:33
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- Java implements the operation of removing elements from a linked list
- Implementation ideas: One is based on sentinel nodes, and the other is based on java collections. The essence is still the same.
- Javagetting Started 1741 2021-01-04 11:54:23
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- What are the java operators?
- Java operators include: 1. Arithmetic operators, such as "+, -, %, etc."; 2. Assignment operators, such as "="; 3. Comparison operators, such as "greater than, equal to, not equal to"; 4. Logical operators, such as "OR, AND, NOT"; 5. Conditional operators, such as "ternary operator" and so on.
- Javagetting Started 27320 2023-01-13 00:40:03
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- How to further optimize after implementing insertion sort in java
- Java introductory tutorial: This article introduces the method of further optimization after insert sorting in Java. It has certain reference value and I hope it can be helpful to everyone.
- Javagetting Started 2099 2020-12-29 10:13:51
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- Java uses Jsoup library to crawl weather
- Specific methods: 1. Download the Jsoup core library; 2. Add the jar package; 3. Right-click the jar package and select Build Path——>Add to. If the corresponding jar package appears in Referenced Libraries, the loading is successful.
- Javagetting Started 2447 2020-12-24 09:50:02
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- What are the six major states of java threads?
- The six major states of the Java thread are: 1. New; 2. Runnable; 3. Lock blocked; 4. Infinite waiting; 5. Timed waiting; 6. Terminated.
- Javagetting Started 1823 2020-12-21 10:10:41
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- In-depth analysis of the first java program
- Java introductory tutorial: This article analyzes the first Java program for everyone, hoping to be helpful to students who are new to Java.
- Javagetting Started 2125 2020-12-17 10:02:46
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- What is the efficient way to merge ordered arrays in java
- Idea analysis: compare the two pointers from front to back, and then copy the remaining data into the merged array. In fact, this is also the core code of merge sort. Merge sort (split first and then merge) divide and conquer.
- Javagetting Started 2123 2020-12-14 16:00:49
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- What are the ways to define arrays in java
- The methods for defining arrays in java are: 1. [array type [] array name = new array type [array length]]; 2. [array type [] array name = {array element}]; 3. [array type [] array name = new array type [] {array element}].
- Javagetting Started 86244 2023-01-13 00:40:03
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- Use Java to realize the function of withdrawing cash to Alipay account
- Java introductory tutorial: This article shares the source code for using Java to realize the function of withdrawing cash to an Alipay account. It has certain reference value and I hope it can be helpful to everyone.
- Javagetting Started 3909 2020-12-10 16:21:39
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- Java small test seeks to complete the number within 1000
- Idea: 1. For loop, assign i a value of 1~1000; 2. Find the numbers that can divide i and add them together; 3. If the sum of the added numbers is equal to i, output i.
- Javagetting Started 3142 2020-12-08 15:12:47
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- Is java front-end or back-end?
- Java is a back-end language, a high-level programming language launched by Sun Microsystems in May 1995; Java language can run on multiple platforms, such as Windows, Mac OS and other various UNIX versions of the system.
- Javagetting Started 25770 2020-12-03 09:29:28
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