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- How to determine the number of palindromes in java
- This article introduces the method of judging the number of palindromes, which has certain reference value. I hope it can help everyone. You can first invert the number; then determine whether the two are equal.
- Javagetting Started 4863 2020-09-03 16:14:27
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- Use java to implement a verification code function
- This article shares with you the Java code to implement the verification code function. It has certain reference value and I hope it can help everyone. Use the Graphics class to draw letters on the artboard, randomly select a certain number of letters to generate randomly, and then randomly generate several interference lines on the artboard.
- Javagetting Started 5494 2020-09-02 15:55:18
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- What are the characteristics and functions of the finally keyword in java
- Getting started with java: This article introduces you to the characteristics and functions of the finally keyword in java. It has certain reference value and I hope it can help you. The characteristic of the finally keyword is: the statement body controlled by the finally keyword will definitely be executed.
- Javagetting Started 3082 2020-09-01 16:00:14
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- What is the difference between the super keyword and this keyword in java
- this is an object of its own, representing the object itself, which can be understood as: a pointer to the object itself. super can be understood as a pointer to its own super (parent) class object, and this super class refers to the parent class closest to itself.
- Javagetting Started 3065 2020-08-31 16:40:01
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- Use java to input a Yang Hui triangle with a specified number of rows
- Yang Hui's triangle is arranged by numbers. It can be regarded as a number table. Its basic characteristic is that the values on both sides are 1, and the values in other positions are the sum of the values in the upper left corner and the upper right corner. When printing Yang Hui's triangle, you need to use a for loop statement.
- Javagetting Started 3140 2020-08-29 15:56:06
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- Introduction to the construction method and common functions of the File class
- The construction method of File class: [File(String pathname)] gets the File object based on a path. [File(String parent, String child)] Get a File object based on a directory and a subfile/directory.
- Javagetting Started 2844 2020-08-28 15:36:07
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- Using java to implement a tool to convert images to PDF files
- Java introductory tutorial: This article shares the code for converting images to PDF files. It has certain reference value and I hope it can help everyone.
- Javagetting Started 3656 2020-08-27 16:05:23
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- What is the usage of super keyword in java
- The super keyword has three uses: 1. Access the overridden method in the parent class method; 2. Call the parent class constructor method; 3. Access the hidden member variables in the parent class.
- Javagetting Started 2170 2020-08-26 15:26:37
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- Java implements Chinese Valentine's Day confession artifact
- This article shares with you a Chinese Valentine's Day confession tool, hoping it can help students in need.
- Javagetting Started 3461 2020-08-25 16:20:57
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- Detailed example of contains method in ArrayList
- The contains method in ArrayList is used to determine whether the target element is included in the ArrayList. Its principle is to call the indexOf(Object o) method.
- Javagetting Started 4811 2020-08-24 15:57:46
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- What is the difference between next() and nextLine() in java?
- The next() method will not obtain the spaces and tabs before and after the characters, but only obtains the characters until the space, tab key or enter key is encountered; the nextLine() method will obtain the spaces and tab keys before and after the characters until the return key is encountered. The car key ends.
- Javagetting Started 4644 2020-08-21 16:28:09
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- What is the difference between collections and arrays in java
- Java introductory tutorial: Arrays are of fixed length, and collections are of variable length; the elements stored in arrays must be of the same data type, and the objects stored in collections can be of different data types.
- Javagetting Started 2894 2020-08-20 17:08:48
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- Do you know what Spring is?
- Spring is an open source lightweight Java development framework with two cores: Inversion of Control (IoC) and Aspect Orientation (AOP). The Java Spring framework flexibly manages transactions in a declarative manner, improving development efficiency and quality.
- Javagetting Started 3671 2020-08-20 16:19:59
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- Three major functions of the static keyword
- The three major functions of the static keyword: 1. static static member variables; 2. static static member methods; 3. static static code blocks.
- Javagetting Started 3539 2020-08-19 17:07:03
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- Implementation of Hill sorting algorithm
- Hill sorting is an improved version of direct insertion sorting. The improvement is to set a step size for each traversal and then perform direct insertion sorting. After completing a traversal, the step size is halved until the step size is less than or equal to 1.
- Javagetting Started 2545 2020-08-17 16:41:54
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