Answer Posted / Devnath Kumar
Lazy Fetching in Hibernate is a technique used to load an association or collection only when it is actually needed, rather than loading it with the initial query. This can improve performance by reducing the amount of data fetched initially and reducing the number of queries executed. Lazy fetching uses proxy objects to represent the associated entity until it's accessed.
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Write a main method that prompts the user to enter the starting population, birth and death rates, and the number of years. The input birth and death rates cannot be negative, the starting population cannot be less than 2, and the number of years greater than 0. If the user enters an invalid value, this program will prompt user to re-enter the value until a valid value has been read. When all input values are valid, call on the methods above to compute estimated population and print result.