Accessing elements of an array
Individual elements of an array can be accessed by specifying index
with [] operator, with the following syntax.
arrayName[<index>]
Here index can be any expression, which evaluates to non negative
int value. Array index always starts at 0 and ends at arrayName.length
– 1. Array index is automatically checked to ensure that it
is well within the bounds. If index is less than 0 or grater than
arrayName.length, an ArrayIndexOutOfBoundException is thrown.
Note: [] operator is not used when manipulating the array reference.
For example, when array reference is passed to another method.
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