Can�t find javax classes??

I resently installed jdk 1.4 to my win XP and it�s working fine except for all the javax classes that the system can�t find. Do I need to define a path or something to find these?

But I cleared my system of old jdks before I installed
the new.. Shouldn�t that be enough? The java console
says version 1.4. Is the javax classes included in the
jdk package?Which javax packages? Some of them (such as javax.ejb) belong to J2EE (enterprise edition), not to the J2SE (standard edition JDK).

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