The URLDecoder class has a static decode method that takes a string. Return URLEncoder.encode(value, StandardCharsets.UTF_8. To decode a URL in Java, you can use the URLDecoder class from the package. You can create a test case script as follows: import What is URL Encoding and How does it work? | URLEncoder.Now your receiver application is supposed to decode %40 to a look at some article that explains what “URL encoding and decoding” is. The spec requires a in a URL string must be encoded to %40.Īs specified by the RFC-1738, a sender application must translate a to %40 and the receiver application must translate a %40 back to The WS.sendRequest() is encoding to %40 OK. See RFC-1738, “2.2 URL Character Encoding Issues”. URL Encoding a Query string or Form parameter in Java. The real problem is that you do not understand the specification of Uniform Resource Locators (URL). URL encoding makes the transmitted data more reliable and secure. The problem is, due to a encoding problem, the above mentioned email address “ gets changed to “test123% ” when the endpoint is called.