Could Not Find Main Class Error In Java
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Java Error Could Not Find Or Load Main Class
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takes a minute: Sign up What does “Could not find or load main class” mean? up vote 365 down vote favorite 124 A common problem that new Java developers experience is that their programs fail to run with the error java error 1723 message: Could not find or load main class ... What does this mean, what causes it, and how should you fix it? java class main share|improve this question edited May 18 '14 at 17:34 gturri 4,73951937 asked Aug 7 '13 at 3:02 Stephen C 386k44409736 4 Please note that this is a "self-answer" question that is intended to be a generic reference Q&A for new Java users. I could not find an existing Q&A that covers this adequately (IMO). could not find or load main class error in java cmd –Stephen C Aug 7 '13 at 3:21 this happened to me recently and it was due to a broken referenced library. I added an answer just in case it happens to someone else. –Eduardo Dennis Nov 1 '13 at 18:05 link <-- do you mind helping me? I tried debugging but to no avail. –Linify Jul 16 '14 at 3:45 2 Is your class under a package? if yes, see my answer –Razavi Oct 27 '14 at 12:09 2 In my case the answer was to add -jar –Nakilon Dec 15 '14 at 11:48 | show 1 more comment 24 Answers 24 active oldest votes up vote 396 down vote accepted The java
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Java Could Not Find The Main Class Eclipse
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Could Not Find The Main Class Java Virtual Machine Launcher
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This Site Careers Other all forums Forum: Java in General run time error: could not find or load main class Saptaparna Dhar Greenhorn Posts: 10 posted 5 years ago Hi! I am new to Java.I tried the HelloWorld program.Using javac command,I could compile it.A .class https://coderanch.com/t/552833/java/java/run-time-error-find-load file got created.But,when I tried running the same with java command, an error-"could not find https://coderanch.com/t/638884/java/java/Error-find-load-main-class or load main class HelloWorld" is displayed. I have checked the spelling, as I know java is case sensitive. Please help me out. Saptaparna Dhar Greenhorn Posts: 10 posted 5 years ago I would like to add one more thing that I am using WINDOWS7. I have set both the user variable name and system variable name as" CLASSPATH " in could not Environmental variables,with path address(for both) as- C:\Java\jdk1.7.0\bin. Is the error related to this path setting? John Jai Rancher Posts: 1776 posted 5 years ago Welcome to the Ranch I hope you tried like below java HelloWorld and if the HelloWorld.class file is in different location say C:/MyClasses then try, java -cp C:/MyClasses HelloWorld where -cp specifies the classpath ( location of the .class files) Saptaparna Dhar Greenhorn Posts: 10 posted 5 years ago Thank you could not find The .class file and the .java flies are n the same folder. John Jai Rancher Posts: 1776 posted 5 years ago Could you please post the code of HelloWorld. Also try java -cp . HelloWorld Saptaparna Dhar Greenhorn Posts: 10 posted 5 years ago With java-cp.HelloWorld I get the following error Unrecognized option:-cp.HelloWorld Error: Could not create the java virtual machine. Error: A fatal exception has occurred.Program will exit. yah...m pasting the program.. class HelloWorld { public static void main(String[] args) { System.out.println("Hello World!"); // Display the string. } } John Jai Rancher Posts: 1776 posted 5 years ago 1 There should be a space in the command you specify. java[space]-cp[space].[space]HelloWorld and please UseCodeTags henceforth Saptaparna Dhar Greenhorn Posts: 10 posted 5 years ago Thank you. I got the output--Hello world!. Do I need to type java -cp .
This Site Careers Other all forums Forum: Beginning Java Error: Could not find or load main class Dustin Wright Greenhorn Posts: 24 1 I like... posted 2 years ago I'm getting an error trying to run a welcome app from a book. I've looked at the FAQs and can't seem to solve the issue. I'm guessing my path and/or classpath are not right. Here's my path environment variable. C:\jdk1.8.0_20\bin;C:\ProgramData\Oracle\Java\javapath;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\Program Files (x86)\Intel\iCLS Client\;C:\Program Files\Intel\iCLS Client\;%SystemRoot%\system32;%SystemRoot%;%SystemRoot%\System32\Wbem;%SYSTEMROOT%\System32\WindowsPowerShell\v1.0\;C:\Program Files (x86)\Intel\OpenCL SDK\3.0\bin\x86;C:\Program Files (x86)\Intel\OpenCL SDK\3.0\bin\x64;C:\Program Files\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files\Microsoft SQL Server\110\Tools\Binn\;C:\Program Files (x86)\Microsoft SQL Server\90\Tools\binn\;C:\Windows\Microsoft.NET\Framework64\v4.0.30319 Here's my output. 09/01/2014 10:23 PM 634 Welcome.class 09/01/2014 10:21 PM 422 Welcome.java 14 File(s) 126,243,703 bytes 9 Dir(s) 53,942,079,488 bytes free C:\jdk1.8.0_20>set CLASSPATH=java welcome C:\jdk1.8.0_20>java welcome Error: Could not find or load main class welcome C:\jdk1.8.0_20>set CLASSPATH= C:\jdk1.8.0_20>java welcome Error: Could not find or load main class welcome C:\jdk1.8.0_20> It looks like the version command gives me what it should, so it appears I've got java setup right, but I"m stuck on the error I'm getting C:\jdk1.8.0_20>javac -version javac 1.8.0_20 C:\jdk1.8.0_20> Please help, thanks. Chris Barrett Bartender Posts: 317 24 I like... posted 2 years ago 1 Hi Dustin, Welcome to the Ranch! I'm not sure about your class path, or if you have placed