#java for loop

For loop: For loop in java is used to iterate a block of code multiple times.Use for loop only when the exact number of iterations needed is already known to you. Syntax :/* for (initialize; check_bool_expression; update){ //code; } */CopyInitializer: Initializes the value of a variable. This part is executed only once.check_bool_expression: The code inside the for loop is executed only when…

In this post, I describe how to do for loop on an Java ArrayList. Array, and HashMap. Java Array for loop In the following example, we create an int array, then loop it to add numbers from 1 to 100.  Then we loop it again to calculate the sum of the numbers in the array.  // Create an array with room for 100 integers int[] nums = new int[100]; // Fill it with numbers using a for-loop for (int i =…