Natural disasters are adverse actions that happen due to the natural processes of the earth. In today’s world with so much pollution, global warming and because of so many reasons, natural disasters are happening far more than they used to happen before and many people in the world face problems, lose their houses, livelihoods and even their houses. It is really painful to get to know the effects of these natural disasters. So, this paper proposes a model which helps us predict natural disasters before they happen using wireless technologies. In this paper modern technologies like IOT, artificial intelligence and machine learning are used. Here for the prediction of each disaster, data/signals given by nature are used , for example for the earthquake module the seismic signals from the earth are used, systems like UNITE are used where the sensors placed in the earth to get the seismic data. For the other disasters also such data is taken from signals given by nature. A detailed explanation on how disasters are predicted based on these simple signals and data from nature is given. In this paper solutions based on wireless technologies to solve some after effects of these natural disasters are also suggested . So, basically our idea is to have all disasters predicted in one place using modern computer science technologies.

In today’s fast paced world every minute is very important. In the corporate world and also otherwise Documentation is very important for various purposes like version control, proofs, consent, copyrights and expectations and outcomes/reports. So, because of these reasons template engines have become very important and extremely necessary for the world. Template engines are basically software that help us create result documents from data models and templates by combining them. This paper presents a survey on the newest development of research work on template engines for java, along with an in-depth outline of its research. To the best of what developments have been achieved till now, this survey paper has been written. Finally, the differences, advantages and disadvantages of the various template engines for java, have been tabulated as a part of the results.

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