it will also work even if we don’t apply modulus to ai variable…what is use of modulus here?
Regarding modulus
Hi,
See the modulus is used to get to the first index after the last one as if this.first is equal to 5 which is more than the size of array which is 4 so in that case modulus of 5 with data.length which is 5 will make this.front as 0 to point to the first index which will make this.front as valid
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