forEachaccepts an iterator function and, optionally, a value to use asthiswhen calling that iterator function (not used above). The iterator function is called for each entry in the array, in order, skipping non-existent entries in sparse arrays. Although I only used one argument above, the...
One solution to the above problem is to use an inbuilt string class of java that is mutable i.e. StringBuilder, which cuts/appends the string in O(1) time. Therefore, java code usingStringBuilderclass with time complexity O(n) is as follows: ...