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Following is an example to assign a single element of the array: The above statement assigns element number 5th in the array with a value of 50.0. All arrays have 0 as the index of their first element which is also called base index and last index of an array will be total size of the array minus 1. Following is the pictorial representation of the same array we discussed above:
Arrays in Java store one of two things: either primitive values (int, char, ...) or references (a.k.a pointers). When an object is creating by using new, memory is allocated on the heap and a reference is returned. This is also true for arrays, since arrays are objects.1. Single-dimension Array.The int[] arr is just the reference to the array of 3 integer.If you create an array with 10 integer, it is the same-an array is allocated and a reference is returned.. Single-dimension Array. The int[] arr is just the reference to the array of 3 integer. If you create an array with 10 integer, it is the same-an array is allocated and a reference is returned.