打开“File”菜单,选择“Settings”(Windows和Linux)或“Preferences”(macOS),然后选择“Build, Execution, Deployment” > “Compiler” > “Annotation Processors”。确保“Enable annotation processing”选项已勾选。 清理和重建项目:有时候,简单地清理和重建项目可以解决一些问题。在IntelliJ IDEA中,你可以通过“Build...
C:\Users\SQ.IntelliJIdea2019.2\config\tasks C:\Users\SQ.IntelliJIdea2019.2\system\compiler C:\Users\SQ.IntelliJIdea2019.2\system\compile-server 里面的缓存文件 重启, 删除 build 编译输出文件,重新编译。
在上述代码中,我们通过JavaCompiler接口将字符串形式的 Java 代码编译并执行。首先,我们创建一个临时文件存储源代码,然后调用编译器进行编译,最后使用URLClassLoader加载并运行编译后的类。 寻找找不到符号的错误 在使用动态编译时,常见的一个错误是 “找不到符号(Cannot find symbol)”。这通常是由于以下原因引起的:...
The “Cannot find symbol” error typically surfaces during the compilation phase of a Java program. It signifies that the Java compiler has encountered a reference to something that it does not recognize. Common occurrences of this error include referencing a variable that hasn’t been declared, a...
public class StaticTest { private int count=0; public static void main(String args[]) throws IOException { count++; //compiler error: non-static variable count cannot be referenced from a static context } } 1. 2. 3. 4. 要修复“Non-Static Variable … Cannot Be Referenced From a Static...
删除缓存、删除 build 编译输出⽂件，重新编译。尝试⽅法四 关闭 idea 删除 C:\Users\SQ.IntelliJIdea2019.2\config C:\Users\SQ.IntelliJIdea2019.2\config\workspace C:\Users\SQ.IntelliJIdea2019.2\config\tasks C:\Users\SQ.IntelliJIdea2019.2\system\compiler C:\Users\SQ.IntelliJIdea2019.2\system...
Error: cannot find symbol symbol: class Scanner location: class Test File: Test.java [line: 3] Error: cannot find symbol symbol: class Scanner location: class Test 这里的问题是程序必须导入java.util.Scanner(或者java.util.)。否则,编译器不知道Scanner是什么类型。当你在处理文件的输入/输出时,如果...
3.1. What Can Cause the“cannot find symbol”Error? The reason behind the error is that the variable definition we are attempting to reference cannot be found by the compiler. However, the occurrence of this can be attributed to several factors. To gain clarity on the matter, let's refresh...
<artifactId>maven-compiler-plugin</artifactId> <version>2.0.2</version> <configuration> 1.6 <target>1.6</target> <includes><include>**/commonapps/**</include></includes> </configuration> </plugin> <plugin> <artifactId>maven-antrun-plugin</artifactId> <executions> <execution...
EN日常我们开发时，会遇到各种各样的奇奇怪怪的问题（踩坑o(╯□╰)o），这个常见问题系列就是我日常...