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Program: In Java, every object has an equals and a hashCode method that is used, among other things, by the standard Collections library. By default both are based on an object's memory location, but best practice dictates that they should be overridden to be dependant on the object's state. The rule that should be followed when doing this is: if two objects are equal, then they should have the same hash code value.
Which of the following situations would be permissible and which would not under this rule?
Provide a brief justification.(a) Two objects have the same hash code and are equal(b) Two objects are equal but have di?erent hash codes(c) Two objects have the same hash code but are not equal(d) Two objects have di?erent hash codes and are not equal
I'm not sure how to answer the question and implement the hashCode method
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You are to design a Java application to carry out additions and subtractions for numbers of any length. A number is represented as an object which includes a sign and two strings for the whole and decimal parts of the number.
How to combine both Secant and Runge-Kutta methods and make it to the two-point boundary-value - Numerical Solution of a Two-Point Boundary
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construct a Bulls and Cows program for my intro Java class. This program needs to perform the basic functions of the game (determining how many cows there are and how many bulls there are and tell the player when they win), but it also needs to offer..
hello i need to this assignment done in net beans . and i want comment in code .also screen shots of running program
Problem. Write a Java Sorting Application with two classes, JavaSort and JavaSortTest. Your JavaSort Class, as a minimum must contain sorting methods for BubbleSort, InsertionSort, ShellSort, MergeSort, and QuickSort.
After the method is defined, the main method must repeatedly have the user enter 3 integers, call the triangleType method and display the return type. Be sure not to have an infinite loop by allowing the user to quit.
Why is marketing necessary for a practice or hospital to be successful? What considerations should be taken into account when marketing health care services or products? (Hint think about all the medication ads you seen on tv or in magazines)
Explain the differences between our specifications of the Sorted List ADT and the Binary Search Tree ADT.
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