No, we don't claim that we know it all and might not even have a solution in hand for some of your problems. But we have a heart to help you and will try our best to help you or at least guide you to the right solution.
We have been working in the IT industry for many years and try to share the knowledge and experiene we have gained over the years. If your request is within our knowledge and experience level, we will try to quickly resolve them. And if it is not, don't worry, we will try to learn and work with you as an invisible partner or an invisible project member. We also take it as an opportunity to learn something new. Java and related technologies are like the universe. Noone can master it all, but we can master the most required things. Even if you learn all the frameworks available today taking few months, by the time you finish it, another framework would have come.
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