{ "age" : "22", "name" : "guide coder", "skills" : { "c++" : { "cpp11" : "c++11", "cpp14" : "c++14", "cpp17" : "c++17", "cpp19" : "c++19", "cpp22" : "c++22" }, "java" : { "javaee" : "javaee 8", "javame" : "javame 8", "javase" : "javase 8" } } }