树
AssertTree
BlockTree
BreakTree
ClassTree
ContinueTree
DoWhileLoopTree
EmptyStatementTree
EnhancedForLoopTree
ExpressionStatementTree
ForLoopTree
IfTree
LabeledStatementTree
ReturnTree
SwitchTree
SynchronizedTree
ThrowTree
TryTree
VariableTree
WhileLoopTree
public interface StatementTreeextends 树
Tree.Kind
accept, getKind