Fastjson is a JSON processor (JSON parser + JSON generator) written in Java

easyexcel is a excel handle tools written in Java

High performance Java reflection using code generation

Guava is a suite of core and expanded libraries that include

The Apache Commons IO library contains utility classes, stream implementations, file filters,

Apache Commons Lang, a package of Java utility classes for the classes that are in java.lang's hierarchy, or are ...

The Apache Commons Collections package contains types that extend and augment the Java Collections Framework.

The AspectJ runtime is a small library necessary to run Java programs enhanced by AspectJ aspects during a previous

flexible XML framework for Java

Reflections - Java runtime metadata analysis