Question

Q1: Write a java program to implement “Personal Budget Management”. In which you have to include at least three from the given topics as per requirement of the program: Inheritance, Overriding Methods, Polymorphism, Abstract Classes, Nested Classes, Interfaces, Lambda Expressions, Exceptional Handling and I/O Fundamentals. Avoid copying the solutions from any student/website. Try to implement using the concept covered in the class. Solution must be unique for each student.
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Answer 1

Answer:

sorry I don't know this question