Which of the following adds 10 to every value in a 16...

Which of the following adds 10 to every value in a 16 -element integer array named points?
a. for(int sub $=0$; sub $>16$; ++sub) points[sub] += 10 ;
b. foreach(int sub in points) points $+=10$;
c. both of these
d. neither of these

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Key Concepts

Foreach Loops

Foreach loops provide a simplified and often more readable syntax for iterating over each element in a collection. They abstract away the need for explicit index management, though depending on the language specifics, they may have limitations on modifying the original collection during iteration.

Loop Control Statements

Loop control statements dictate how and when a loop starts, continues, and terminates. This includes the correct initialization, proper condition checking (e.g., verifying that the loop iterates exactly for the number of elements in the array), and the increment operations that prevent errors like out-of-bound access or infinite loops.

Array Indexing

Array indexing refers to accessing elements within an array using a numerical index. This concept is crucial for correctly identifying and modifying each element within the boundaries of the array, ensuring that operations like adding 10 to each element are accurately executed.

Loop Iteration

Loop iteration is a fundamental concept in programming that allows a block of code to be executed repeatedly, typically once for each element in a collection such as an array. This ensures that operations, like modifying each element, can be applied uniformly across all items.

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