Question

java 如何设置JTree的第一个一级节点为选中状态

如题，已知DefaultTreeNode node，JTree（node），如何设置JTree的一个节点为选中状态

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Answer 1

void
setSelectionPath(TreePath path)
Selects the node identified by the specified path.

void
setSelectionPaths(TreePath[] paths)
Selects the nodes identified by the specified array of paths.

void
addSelectionPath(TreePath path)
Adds the node identified by the specified TreePath
to the current selection.

void
addSelectionPaths(TreePath[] paths)
Adds each path in the array of paths to the current selection.

Answer 2

voidsetSelectionPath(TreePathpath)Selectsthenodeidentifiedbythespecifiedpath.voidsetSelectionPaths(TreePath[]paths)Selectsthenodesidentifiedbythespecifiedarrayofpaths.voidaddSelectionPath(TreePathpath)

Answer 3

void
setSelectionPath(TreePath path)
Selects the node identified by the specified path.

void
setSelectionPaths(TreePath[] paths)
Selects the nodes identified by the specified array of paths.

void
addSelectionPath(TreePath path)
Adds the node identified by the specified TreePath
to the current selection.

void
addSelectionPaths(TreePath[] paths)
Adds each path in the array of paths to the current selection.