To use Java 21, or build applications on an older version of the Eclipse IDE, you must install your preferred version of Java separately and register it as a Java runtime in Eclipse’s preferences ...

<tl;dr> To fix the Eclipse “No Java virtual machine was found” error, simply edit the eclipse-inst.ini file and add the -vm flag, which points it to the java utility in the JDK bin directory: ...

Eclipse is an open-source Integrated Development Environment (IDE) supported by IBM. Eclipse is a popular script creator for Java application development (Java SE and Java EE) and Android apps ...