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Now im learning Java on which topics i must have a grip to get job in MNC's
Beginner
2 Respostas
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The OOP concepts have the most weightage and you are likely to get almost all of your questions from this topic.
Apart from that learn Strings, Arrays, exception handling and a little understanding of multi-threading would be enough I guess for an entry level job.
Edit: Collections is must and also try to learn file handling concepts.