Level order traversal line by line

Level order traversal line by line, is an print arrangement of tree nodes element. That is useful to see exact how many nodes are exist of tree by level order. See this example line by line nodes are display form top to bottom and left to right.

Here given code implementation process.

1) Level order traversal line by line using queue in java 2) Level order traversal line by line using queue in c++ 3) Level order traversal line by line using queue in c 4) Level order traversal line by line using queue in c# 5) Level order traversal line by line using queue in golang 6) Level order traversal line by line using queue in vb.net 7) Level order traversal line by line using queue in php 8) Level order traversal line by line using queue in node js 9) Level order traversal line by line using queue in typescript 10) Level order traversal line by line using queue in python 11) Level order traversal line by line using queue in ruby 12) Level order traversal line by line using queue in scala 13) Level order traversal line by line using queue in swift 14) Level order traversal line by line using queue in kotlin