for Loop

A for loop groups its initialization, continuation condition, and update expression in one place. It works well when the number of iterations or index progression is known. Use a descriptive counter and check array bounds carefully, especially when an index comes from user input. The final index is exclusive in the condition below, so the loop visits indexes zero through three. Further guidance Before running a loop, identify the value that changes and the condition that eventually stops it. Check empty collections and one-item collections as well as the normal case. Prefer foreach when iterating a collection, and keep early exits easy to understand. Practice task: Create a fresh example for for Loop. Predict the result before running it, then change one input and explain why the result changes. Test a normal case and one boundary or invalid case where it applies. Compare your output with the example and note one rule you would use in a real project.