Tree View, ExtJS

Question: Which class is used to create tree via ExtJS?
A
Ext.tree.Tree

B
Ext.TreePanel

C
Ext.tree.TreePanel

D
Ext.TreePanel.Tree

Note: Not available
1. Report
Question: Which class is used to sort nodes in a TreePanel in ExtJS?
A
Ext.tree.NodeSorter

B
Ext.TreeSorter

C
Ext.tree.TreeSorter

D
Ext.tree.Sorter

Note: Not available
1. Report
Question: Which class is used to edit tree node in ExtJS TreePanel
A
Ext.tree.TreeEditor(tree)

B
Ext.tree.TreeEditor()

C
Ext.tree.TreeEdit(tree)

D
Ext.tree.Editor(tree)

Note: Not available
1. Report

Question: Which class is used to create tree via ExtJS?