A Java-based application with a GUI for managing investment portfolios, enabling users to buy, sell, update prices, calculate gains, and search investments. Features include robust input validation, data persistence via file I/O, and efficient design using polymorphism, abstract classes, and a HashMap index for fast searches.
java gui javadoc hashmap fileio polymorphism investment eportfolio object-oriented-programming abstractclass
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Updated
Jan 24, 2025 - Java