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Hi, I am trying to return true if a sub-array exists at given index (idx), false otherwise. For example:
if idx = -1, return false since data[-1] is out of bounds
* if idx = 0, return true since data[0] refers to the first sub-array
* if idx = 1, return true since data[1] refers to the second sub-array
* ...
* if idx = data.length - 1, return true since data[data.length - 1] refers to the last sub-array
* if idx = data.length, return false since data[data.length] is out of bounds
*/


college   java   programming   arrays   
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