Error: Main method not found in class Qf, please define the main method as: public static void main(String[] args) or a JavaFX application class must extend javafx.application.Application ###这里"main"拼错了,修改为"main"### [root@localhost qf]# cat Qf.java public class Qf{ public stati...
针对你遇到的错误消息“error: main method not found in class main, please define the main method as”,这明确指出了Java程序在编译或运行时未能找到名为main的类中的main方法。以下是详细的解答和解决方案: 错误解释: 错误消息意味着编译器在名为main的类中查找main方法时未能找到。在Java中,每个可执行程序...
public static void main(String[] args) { Person p2=new Person("张三",20);Person p1=new Person("张三",20);System.out.println(p1.compare(p2)?"相等":"不是相等");} main 写错了main拼写错了。仔细检查。。其实错误提示得很清晰明白你把main写成mian了你的文件名是JavaDemo01吗？文件...
in my main method. I am getting the error: error: cannot find symbol Result result = JUnitCore.runClasses(PrintGrades2Test); symbol: variable PrintGrades2Test location: class NetBeansTestExample2 The complete error message is: Compiling 2 source files to D:...\NetBeansTestExample2\...
at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at org.jetbrains.jps.builders.impl.java.JavacCompilerTool.createCompiler(JavacCompilerTool.java:70) at org.jetbrains.jps.javac.JavacMain.compile(JavacMain.java:63) ...
*/publicclassExceptionTest02{publicstaticvoidmain(String[]args)throws ArithmeticException{System.out.println("程序执行开始的地方...");try{method1();}finally{System.out.println("我是main中finally执行的代码...");}System.out.println("main方法执行的最后一个方法...");}publicstaticvoidmethod1()thro...
The could not find or load main class error is very common in Java. Most of the time, this occurs because we are writing the class name incorrectly or we are adding unnecessary .class extensions while running. If the class is part of a package, then we must provide the fully qualified ...
Exceptioninthread"main"java.lang.UnsupportedClassVersionError:org/apache/maven/cli/MavenCli:Unsupported major.minor version51.0at java.lang.ClassLoader.defineClass1(Native Method)at java.lang.ClassLoader.defineClass(ClassLoader.java:621)at java.security.SecureClassLoader.defineClass(SecureClassLoader.java...
at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at org.jetbrains.jps.builders.impl.java.JavacCompilerTool.createCompiler(JavacCompilerTool.java:70) at org.jetbrains.jps.javac.JavacMain.compile(JavacMain.java:63) ...
at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at org.jetbrains.jps.builders.impl.java.JavacCompilerTool.createCompiler(JavacCompilerTool.java:70) at org.jetbrains.jps.javac.JavacMain.compile(JavacMain.java:63) ...