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Several solutions to garbled code problems in Java

Several solutions to garbled code problems in Java: 1. Use req.setCharacterEncoding("UTF-8") to solve the garbled code in the post method. 2. Use resp.setContentType("text/html;charset=utf-8") to solve the garbled response.

Dec 21, 2019 pm 03:53 PM

java Garbled characters

Solution to Java download garbled code

Solutions to garbled java downloads: 1. The IE kernel browser uses the specified encoding mechanism to convert the string format through the URLEncoder.encode() method. 2. Non-IE browsers: Use the new String(byte[],decode) method to parse the file using the specified encoding.

Dec 21, 2019 pm 03:07 PM

java Garbled characters

Java method to determine whether strings are not equal

How to determine whether strings are equal in Java: 1. Use "==" to determine whether they are equal and return true, and if they are not equal, return false. 2. Use the equals() method to determine whether the strings are equal. If they are equal, it returns true; if they are not equal, it returns false.

Dec 21, 2019 pm 02:50 PM

java

Detailed explanation of java internal classes (with relevant interview questions)

In the Java language, a class can be defined in another class or in a method. Such a class is called an inner class. Inner classes in a broad sense generally include these four types: member inner classes, local inner classes, anonymous inner classes and static inner classes.

Dec 20, 2019 pm 05:29 PM

java

Detailed explanation on how to use the final keyword in java

This article introduces the detailed use of the final keyword from the java development introductory column, hoping to help students who are learning. Usage: 1. Modify the class; 2. Modify the member method; 3. Modify the basic variable type; 4. Modify the reference variable; 5. Modify the constant.

Dec 20, 2019 am 11:59 AM

final java Instructions Keywords Detailed explanation

Solution to Chinese garbled characters displayed in Java

Solution to garbled code displayed in java: 1. JSP Chinese garbled code: Specify the page encoding format as utf-8 at the beginning of each page of the JSP page. 2. Tomcat Chinese garbled code: Specify the encoding format in web.xml.

Dec 18, 2019 pm 04:39 PM

java Garbled characters

How to find java api documentation

The method to find the official API document of Java is: 1. First open Baidu, search for Oracle, and open the Oracle official website; 2. Then click [Download for developers] at the bottom of the website; 3. Then find [API] on the right side of the interface , click to enter, click on the version you need to open the document online.

Dec 18, 2019 pm 04:03 PM

api documentation java Find

How to implement layout in java

The method to implement layout in java is: 1. First inherit the [JFrame] class and define the components required for the layout; 2. Then create and add components in the constructor; 3. Then make relevant settings for the form, such as the title , size, position, etc.; 4. Finally set the display form.

Dec 18, 2019 pm 03:44 PM

java accomplish layout

How to enable java applets in browsers

How to enable the Java applet in the browser: 1. First find the Java program in the start menu; 2. Then under the security option in the Java control panel, turn on the [Enable Java content in the browser] option; 3. Then enter IE On the browser security settings page, click the [Custom Level] option and enable the Java applet script.

Dec 18, 2019 pm 03:14 PM

java enable Applets Browser

How to add pictures in java form program

The method of adding pictures in a java form program is: 1. First, create a new folder for saving pictures in the project directory; 2. Then write a program to set the basic information of the form; 3. Then read the files in the folder. Picture, create a [label] object, place the picture on the [label], and set the position; 4. Finally, run the program.

Dec 18, 2019 pm 02:34 PM

java add pictures

How to create a form in java

The method of creating a form in java is: 1. First determine what elements the form has; 2. Import the [JFrame] package and set a title for the form in the construction method (all form settings are written in the construction method); 3. Then set the size and position of the form; 4. Set the closing method for the form; 5. Finally, set the display method for the form.

Dec 18, 2019 pm 02:18 PM

java create form

javaweb project cannot be started

The solution to the problem that the javaweb project cannot be started is: 1. First check the project error, such as missing jar package, incorrect maven warehouse, wrong jdk version, wrong spring configuration file, etc.; 2. Check the tomcat server, remove and reconfigure it; 3. Check Whether it meets the web project structure requirements.

Dec 18, 2019 pm 01:53 PM

javaweb Unable to start project

The picture of the project accessed under the url in java is not displayed

The solution to the problem that the project image is not displayed when accessing the project under the URL in Java is: 1. In the [img] tag, it is recommended to access the specific path of the project starting from the project name; 2. If the browser directly accesses the project, you first need to check the actual Check whether the deployed container contains the image, and then check whether the image under the path is generated.

Dec 18, 2019 am 11:15 AM

java url Do not show picture access project

How to view java source code in IDE

The method to view the java source code in the IDE is: 1. First click [Menu], [Preferences], [java], [Install jre], select your jre, and click [Copy]; 2. Then click [rt .jar] file, select the resource attachment option; 3. Select [External Local] and add [src.zip].

Dec 18, 2019 am 11:01 AM

ide java Check source code