A proof-of-concept tool for generating payloads that exploit unsafe Java object deserialization. Description Originally released as part of AppSecCali 2015 Talk"Marshalling Pickles: how deserializing objects will ruin your day"with gadget chains for Apache Commons Collections (3.x and 4.x), Spring...
Ans:If it is to be impossible to instantiate a class more than once (for example, because it serves as a data administrator or data container), you can use the singleton concept. The class is defined with the addition CREATE PRIVATE and FINAL and instantiated using its static constructor. A...