Abstract

<p class="PreformattedText">Software evolution is one of the challenging issues in today’s business environment. It is necessary for the organizations, which make use of Information, and Communication Technologies will have to align their business processes to compete with global business. The existing large software systems (“legacy” systems) have never been built to cope with the current business requirement for their poor coding, design structures, logic and documentation. Moreover, Legacy applications have various problems such as lack of up to-date documentation, skilled man power, resources of the Legacy applications, and high maintenance costs. Even though the Legacy system is obsolete, it contains detailed business rules and in continuous use, because it satisfies the users' needs and forms the backbone of the information flow of organization. One of the possible solutions is to refactor or modernize those systems into a new platform. It is necessary to analyse the existing legacy system for better understanding the business logic and its functionalities. This paper analyses various techniques proposed for understanding Legacy systems in existence.</p>

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Many of us mostly forget our Wallet, which is a must for all as it allows for the safeguarding very priceless things. Wallet is one of the most belongings, We are thus implementing a Smart Almost following you wallet. When compared to the standard wallets that are sold in the market, the smart wallet has several advantages. It is a contemporary wallet that has a GPS system integrated into it. Simply connect your smartphone to your smart wallet and use the app to track it. There are two operating modes for the Smart Wallet: Normal mode and Lost mode. The Wallet goes into lost mode when it is far away. The misplaced wallet can then be located using a GPS system. While in the default mode, if we travel a particular distance away from our wallet, we receive an alarm or alert message that we neglected to bring our wallet, allowing us to quickly locate it and carry it with us. The smart wallets can do all the tasks that the traditional dumb wallet can, but it also has additional capabilities like mobile charging and anti-theft security. It is always more expensive than a typical wallet, but it is typically well-made, has a sleek appearance, and offers some additional technological incentives. In order to address this, the research report suggests a smart wallet with features including a notification system for users who move away from the wallet.