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    Core Java FAQS Part 1 Arrays: Question : What is an array in Java, and how do you declare and initialize one? Answer : An array in Java is a data structure that holds a fixed number of values of the same data type. To declare and initialize an array, you can use the following syntax:   DataType[] arrayName = new DataType[size]; Example : int[] numbers = new int[5]; Question : How do you access elements in an array in Java? Answer : You can access elements in an array using the index (0-based). For example: int thirdElement = numbers[2]; // Accesses the third element (index 2) of the 'numbers' array. Question : Explain the difference between an array and an ArrayList. Answer : An array has a fixed size, while an ArrayList can dynamically grow or shrink. ArrayList is part of the Java Collections Framework and provides more functionality, but arrays are more memory-efficient for fixed-size collections. Question : H...

Core Java Part ‘A’ Coding Assignments   Arrays: 1.        Assignment: Write a program that finds the maximum element in an integer array. ·          Algorithm: ·          Initialize a variable max to the first element of the array. ·          Iterate through the array, comparing each element with max . ·          If an element is greater than max , update max with that element. ·          After the loop, max will contain the maximum element. 2.        Assignment: Implement a program to reverse an array. ·          Algorithm: ·          Initialize two pointers, one at the beginning and one at the end of the array. · ...