What is DefaultMutableTreeNode?
What is DefaultMutableTreeNode?
A DefaultMutableTreeNode is a general-purpose node in a tree data structure. For examples of using default mutable tree nodes, see How to Use Trees in The Java Tutorial. A tree node may have at most one parent and 0 or more children. A tree may consist of many subtrees, each node acting as the root for its own subtree.
What is TreeNode in Java?
public interface TreeNode. Defines the requirements for an object that can be used as a tree node in a JTree. Implementations of TreeNode that override equals will typically need to override hashCode as well. Refer to TreeModel for more information.
What is the use of container getContentPane?
In Java Swing, the layer that is used to hold objects is called the content pane. Objects are added to the content pane layer of the container. The getContentPane() method retrieves the content pane layer so that you can add an object to it. The content pane is an object created by the Java run time environment.
What is tree programming?
In computer science, a tree is a widely used abstract data type that simulates a hierarchical tree structure, with a root value and subtrees of children with a parent node, represented as a set of linked nodes. No reference is duplicated and none points to the root.
How is TreeNode defined?
TreeNode is the abstract parent class for a parse tree node. It contains an integer ID data field that is common to all types of node. The ID defines what type of tree node this is, e.g., an IF node, a PLUS, etc. The ID values are those defined for symbols in sym. java.
Does Java have built in trees?
A Tree is a non-linear data structure where data objects are organized in terms of hierarchical relationship. Java provides two in-built classes, TreeSet and TreeMap, in Java Collection Framework that cater to the needs of the programmer to describe data elements in the aforesaid form.
Is JScrollPane horizontal scrollbar child field?
Class JScrollPane. Provides a scrollable view of a lightweight component. A JScrollPane manages a viewport, optional vertical and horizontal scroll bars, and optional row and column heading viewports.
