Hello.
Superficially journalism course is categorised into five main specialisation that means there are five type of journalism course:
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Investigative.
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Review.
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News.
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Column.
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And feature writing.
Now coming to the scope, it totally depends upon your interest, if you have good skills of reviewing anything the second option will be best fit for you else if you have good presentation skills, communication skills, good body language then third option will be best suited for you, and rest options are also depend upon your skills, so scopes are fully available in all of these options, so select according to your interest see in yourself where you actually are intregue to go, while according to the future demand first option (investigation) will reach to the peak, because news is also presented by someone here and other work is also in continuation by other, but there is scanty of those who can do the work of investigation well.
Best of luck.