How Do I Find Whether A Parameter Exists In The Request Object?

1.	How Do I Find Whether A Parameter Exists In The Request Object?
Answer» ANSWER : BOOLEAN hasFoo = !(request.getParameter("FOO") == null \|\| request.getParameter("foo").EQUALS("")); or boolean hasParameter = request.getParameterMap().contains(theParameter); //(which works in SERVLET 2.3+)

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