树
AnnotatedTypeTree
AnnotationTree
ArrayAccessTree
AssignmentTree
BinaryTree
CompoundAssignmentTree
ConditionalExpressionTree
ErroneousTree
IdentifierTree
InstanceOfTree
LambdaExpressionTree
LiteralTree
MemberReferenceTree
MemberSelectTree
MethodInvocationTree
NewArrayTree
NewClassTree
ParenthesizedTree
TypeCastTree
UnaryTree
public interface ExpressionTreeextends 树
Tree.Kind
accept, getKind