What is difference between doGet() and doPost() ?

doGet() and doPost() both these methods comes under HTTP protocol.Let's discuss the important  difference between these two.

doGet()

• doGet() is used when we have to transfer very fewer data.The maximum is 240 byte.
• In doGet parameter are appended in URL and visible to the user so we should not use doGet() to transfer the critical data such as username and password.Parameters are not encrypted.
• We mostly use do get when we want to input fewer data and fetch more data.For example, fetch employee list by passing department.
• doGet() is faster than doPost().
• It is default request method.
• This URL can be bookmarked.
• doGet() method is idempotent thus it can be repeated multiple time safely.

doPost()

• doPost() methods are used we want to send form data.Data amount does not have any limit.
• It provides encryption thus data security.
• It is not idempotent.
• It cannot be bookmarked.
• It supports file uploading unlike doGet.
• Parameters are sent in the body, not in URL.

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