It depends, there are many factors that can make learning the Japanese language simple or difficult. It really seems like difficult, especially if you are trying to master tips on how to speak Japanese and how to write it at the same time. With the best tools though, Japan could be much easier than you think. Of course, the possibility takes time and you really want to have the commitment to do so.
If you want to master how to speak Japanese, you must act now. Do not holdup your decision any further as the sooner you start to master Japanese, the sooner you are likely to see some results. Check the list of your community to see if there is a school near you that offers Japanese language training.
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If not, then you can take courses online.
As for the difficulty, it's really not that hard, especially if you're just trying to learn how to speak Japanese. You can start with the basics, such as asking to greet someone with a good night 'by saying Konbanwa and saying goodbye to a friend by saying Otsukare the same.
Basically, there are only a handful of your voice back and learning to say, other than that, it may be quite easy. You can only start with the basics, such as by saying an individual 'Good Evening', saying Konbanwa and saying goodbye to a friend by saying, Otsukare Sama.