6 for loop (feat. Nested, foreach)

1. for Loop

The for loop in Java is a control flow statement that allows you to repeatedly execute a block of code as long as a certain condition is true.

 

 

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2. Nested for Loop

A nested for loop is a for loop inside another for loop. 

 

Example 1 - 구구단 

 

Example 2 

This is often used when you need to iterate over a two-dimensional array.

 

 

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3. Enhanced for Loop (foreach Loop)

The enhanced for loop, also known as the foreach loop, provides a simpler way to iterate over elements in an array or a collection. 

It eliminates the need for explicit indexing and makes the code more readable.