iItemSale will have an instance variable whose type is Sale[], which will be used as a partially filled array. There will also be another instance variable of type int that keeps track of how much of this array is currently us

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Math class and its different methods

Java math class consists of arithmetic math methods that performs basic numeric operations such as finding the maximum or minimum of two values, rounding values, logarithmic functions, square root, and trigonometric functions, etc. The Math library functions can be accessed using the header Java.lang.Math. These math methods under Java math class are for our convenience.