Скачать или смотреть Java Array InterviewQ&A with examples for 1+ YOE

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TOP 5 Things to know about JAVA Array:

Fixed Size: Java arrays have a fixed size, meaning once you declare an array with a specific size, you cannot change it during runtime. To overcome this limitation, dynamic data structures like ArrayLists are often used.


Homogeneous Elements: Java arrays can only store elements of the same data type. For example, if you declare an array of integers, it can only hold integer values.


Zero-Based Indexing: Array indices in Java start from 0. The first element is accessed using index 0, the second with index 1, and so on. This is a common indexing convention in many programming languages.


Length Property: You can find the length of an array using the length property. For example, if arr is an array, you can obtain its length by calling arr.length.


Multidimensional Arrays: Java supports multidimensional arrays, allowing you to create arrays of arrays. Commonly used are 2D arrays, which can be visualized as a grid with rows and columns. Accessing elements in a 2D array involves specifying both row and column indices.
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