Download java-json.jar

Download java-json.jar

The contents are shown below

META-INF/MANIFEST.MF
org.json.CDL.class
org.json.CDL.java
org.json.Cookie.class
org.json.Cookie.java
org.json.CookieList.class
org.json.CookieList.java
org.json.HTTP.class
org.json.HTTP.java
org.json.HTTPTokener.class
org.json.HTTPTokener.java
org.json.JSONArray.class
org.json.JSONArray.java
org.json.JSONException.class
org.json.JSONException.java
org.json.JSONML.class
org.json.JSONML.java
org.json.JSONObject.class
org.json.JSONObject.java
org.json.JSONString.class
org.json.JSONString.java
org.json.JSONStringer.class
org.json.JSONStringer.java
org.json.JSONTokener.class
org.json.JSONTokener.java
org.json.JSONWriter.class
org.json.JSONWriter.java
org.json.XML.class
org.json.XML.java
org.json.XMLTokener.class
org.json.XMLTokener.java

Download Here. After downloading please extract the downloaded file.

java-json.zip

Check the below link to add the Jar in Classpath in Eclipse
https://chillyfacts.com/how-to-add-jar-file-in-eclipse-java-project/