<jsp:usebean> locates or instantiates a Bean with a specific name and scope

<jsp:useBean id="mybean" scope="session" class="hello.NameHandler" / >

<jsp:getproperty> gets the value of a Bean property so that you can display it in a JSP page

<jsp:getProperty name="mybean" property="username"/>

<jsp:setpropety> sets a property value or values in a Bean

<jsp:setProperty name="mybean" property="*" />