COMPUTER SCIENCE AND ENGINEERING
DATA STRUCTURES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Pascal
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Perl
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VBA
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C
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Detailed explanation-1: -There are 20 Programming Languages in the World where the array index starts from 1 and not from 0. Some of the popular languages include R, COBOL, Matlab and Julia. Most programmers think that array indices start with 0 always but this is not the case. The start index of 0 or 1 is decided based on various factors.
Detailed explanation-2: -Arrays are indexed starting at 0, as opposed to starting at 1. The first element of the array above is vector[0]. The index to the last value in the array is the array size minus one.
Detailed explanation-3: -In modern-day computer science, most programming languages such as Python, Ruby, PHP, Java have array indices starting at zero.
Detailed explanation-4: -JavaScript arrays are zero-indexed: the first element of an array is at index 0, the second is at index 1, and so on-and the last element is at the value of the array’s length property minus 1 .
Detailed explanation-5: -Access arrays with numeric values All arrays in Perl start at 0. Arrays can also be accessed from the end by using negative offsets from the end. Reading a non-existent element gives undef .