如何使用java中的XPath/JsonPath更改json文件中的值

here is the json file

这是json文件。

{
    "session":
        {
            "name":"JSESSIONID",
            "value":"5864FD56A1F84D5B0233E641B5D63B52"
        },
    "loginInfo":
        {
            "loginCount":77,
            "previousLoginTime":"2014-12-02T11:11:58.561+0530"
        }
}
{
    "ses