.Class files are the files that store the JAVA byte code. The byte code generated by Java is compiled by a Java compiler using the JVM (Java virtual machine environment), which compiles this high level byte code into assembly language code.
If the .CLASS file has more than one CLASSes defined in the program, the compiler will create separate CLASS files automatically when the code is compiled. One of the reasons why .CLASS files are popular is because they make the code written in Java, platform independent. This means that a .CLASS file generated on one platform can be run on other platform.
| File type | Java Bytecode Class Format |
| Developer | Oracle |
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While searching for an answer to the question - How to open the CLASS file? - you probably found websites, which offer software that was able to open any file extension. Do not be fooled, there is no one program that will allow you to work with any file extension, including the CLASS file. Each program contains a different type of data and you need specialized software to properly work with the CLASS file. Here is a list of programs that are designed to work with the CLASS file - remember, these applications are able to open at most a few file extensions, they are designed to work with a specific data type.
If after installing the program from a list, you still cannot open a file with the CLASS extension, the reason may be that the file is damaged. The solution may be to find a new copy of the CLASS file you want to open
In this case, the easiest way is to use the tool built into the operating system for association of the CLASS file with applications to support it. Double click on the file you cannot open - the operating system will display a list of programs that are likely to work with your CLASS file. Choose one of them, or select the location on a disk where you installed one of the applications from our list. Windows should then open the CLASS file using the program installed earlier.
Entries containing links of the CLASS file extensions with applications is located in the HKEY_CLASSES_ROOT. If you do not know how to get to the Windows Registry, or how to make changes in it, ask a specialist for help. Lack of knowledge on the subject may cause irreversible changes on your computer.
There may be a situation when a computer virus passes itself off as the CLASS file. In this case, such a file will definitely not be opened. Download a good antivirus program and scan the CLASS file mentioned. If the antivirus application detects malicious data, it may signify that the CLASS file is infected.
| CLM | Micrografx Picture Publisher Macro Format |
| CLKK | Clicker Keyboard Format |
| CLASS | Java Bytecode Class Format |
| CLPPRJ | CodeLobster PHP Edition Project |
| CLGX | Collage Maker Collage |
| CLAS | Java Class |
| CLASSPATH | Eclipse IDE JAVA Project Related |
| CLT | VisualBoyAdvance Cheat List Format |
| CLOE | Cloe Ray-Tracer Image |
| CL2DOC | Comic Life 2 Document Format |
