Error: LinkageError occurred while loading main class package.MyClass
java.lang.UnsupportedClassVersionError: package.MyClass
has been compiled by a more recent version of the Java Runtime (class file version 57.0), this version of the Java Runtime only recognizes class file versions up to 55.0
If you tried to compile and execute your Java class in Eclipse and got the above error message then it's due to the mismatch of your installed Java Runtime (JRE) and Complication version. Example: make sure that if you are using Java 8 then you can only compile with Java 8 or below. If you go higher say Java 13 you get this error UnsupportedClassVersionError
- How to get Java Thread name Example [Program]
- Java 8: Get First and Last Date of the Week for Given Date
- Convert String to int in Java
- How to Get List of All Country Codes in Java Using Locale Class
- Convert Multidimensional Array toString In Java
- [Fix] java: incompatible types: incompatible parameter types in lambda expression error
- Display Era details (AD BC) in Java Date using SimpleDateFormat
- Create a Zip file using Java Code programmatically
- [Fix] java.net.MalformedURLException: unknown protocol
- [fix] Java JDBC ConnectException: Connection refused
- Read Json File and Convert to Java Object using Jackson
- list of jars required for hibernate 4.x.x
- Simple Struts 2 Tutorial in eclipse with tomcat 7 server
- Java: The value of the local variable string is not used
- [fix] URI is not registered (Settings | Languages & Frameworks | Schemas and DTDs) IntelliJ
- Java 8+ get Day of the Week Examples with LocalDateTime, DateTime, ZonalDateTime and Instant classes
- Run SQL Script file using Java JDBC Code Example
- Remove Trailing zeros BigDecimal Java
- Java JDBC IN Clause Example with PreparedStatement MySQL
- Convert Java List to Json String using Jackson
- Java 8 foreach loop code examples
- error: file not found: HelloWorld.java
- IntelliJ Keyboard Shortcut to remove unused imports [Java]
- Exception in thread main java.lang.NoClassDefFoundError: package javaClass
- Struts 2 Hello World Example in Eclipse
- SQL: Check if table exists - HowTos
- [fix] Docker - no matching manifest for linux/arm64/v8 in the manifest list entries [M/M2 Mac] - Docker
- How to identify the version of IntelliJ - HowTos
- How to remove or unstage a file from git staged area - Git
- How to Schedule Mails in macOS Ventura - MacOS
- How to check file permissions for your file using Linux/Unix/macOS Terminal Command - Linux
- Display full website URL/address in Safari macOS Browser - MacOS
- How to install homebrew (brew) on M1 Mac - MacOS