jcseg
· A lightweight open source chinese tokenizer with keywords, key sentences, summary extracts support and provide the latest lucene,solr,elasticsearch embedding API.
Download JD-GUI to open JAR file and explore Java source code file (.class .java)
Click menu "File → Open File..." or just drag-and-drop the JAR file in the JD-GUI window jcseg-2.6.3.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.