[Nemo-440] Update README.md about java 11 support (#295)
JIRA: [NEMO-440: Migrate to Java11 and use Java 11 Features](https://issues.apache.org/jira/projects/NEMO/issues/NEMO-440)
**Major changes:**
- Update readme
**Minor changes to note:**
- None
**Tests for the changes:**
- None
**Other comments:**
- Java 11 support has been done in PR #291
- Nemo build fails with Java 8 due to the pom configuration that does not work with Java 8
diff --git a/README.md b/README.md
index d92bbcd..4ba0298 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@
## Nemo prerequisites and setup
### Prerequisites
-* Java 8 or later (tested on Java 8 and Java 11)
+* Java 11
* Maven
* YARN settings
* Download Hadoop 2.7.2 at https://archive.apache.org/dist/hadoop/common/hadoop-2.7.2/