JAVA:Draw a graph (picture) of the binary tree of letters that has been implemented as an array of classes with a data item, left and right child indices as is shown below. Assume that root has index 0.

Index Value LChild RChild

[0] K 3 1

[1] Z -1 4

[2] X -1 -1

[3] J 2 -1

[4] B -1 -1