private boolean structurallyIdentical(Node tnode, Node onode) {
write your code here
if(tnode == null && onode == null){
return true;
}
if(tnode.left == null && onode.left!=null){
return false;
}
if(tnode.right!=null && onode.right==null){
return false;
}
if(tnode.left!=null && onode.left!=null){
return structurallyIdentical(tnode.left, onode.left);
}
if(tnode.right!=null && onode.right!=null){
return structurallyIdentical(tnode.right, onode.right);
}
return true;
}