What is nested loop with example Java?

12/06/2019 Off By admin

What is nested loop with example Java?

A nested loop is a (inner) loop that appears in the loop body of another (outer) loop. The inner or outer loop can be any type: while, do while, or for. For example, the inner loop can be a while loop while an outer loop can be a for loop. Of course, they can be the same kind of loops too.

What is nested loop given an example?

If a loop exists inside the body of another loop, it’s called a nested loop. Here’s an example of the nested for loop. // outer loop for (int i = 1; i <= 5; ++i) { // codes // inner loop for(int j = 1; j <=2; ++j) { // codes } .. } And, inside the loop, we can create another loop to iterate 7 times (7 days).

What is a nested loop in coding?

When you define two loop calls in a program, the first loop is an outer loop, and the second loop is an inner (nested) loop. The nested loop executes repeatedly each time that the outer loop executes, and obtains all records that satisfy the outer loop record key.

How do you stop a loop inside a loop in Java?

Technically the correct answer is to label the outer loop. In practice if you want to exit at any point inside an inner loop then you would be better off externalizing the code into a method (a static method if needs be) and then call it.

What is while loop and its syntax?

In most computer programming languages, a while loop is a control flow statement that allows code to be executed repeatedly based on a given Boolean condition. The while loop can be thought of as a repeating if statement.

How do you explain nested loops?

A nested loop is a loop within a loop, an inner loop within the body of an outer one. How this works is that the first pass of the outer loop triggers the inner loop, which executes to completion. Then the second pass of the outer loop triggers the inner loop again. This repeats until the outer loop finishes.

How do children learn nested loops?

Repeat loop nested inside a repeat loop The outer repeat loop is responsible for repeating 10 times for each square. The inner repeat loop is responsible for repeating 4 times, for each line and turn in each square. A Scratch program that nests a repeat loop inside another repeat loop.

Is nested for loop bad?

Nested loops are frequently (but not always) bad practice, because they’re frequently (but not always) overkill for what you’re trying to do. In many cases, there’s a much faster and less wasteful way to accomplish the goal you’re trying to achieve.