01: package expr.tree.ast; 02: 03: public class NumExpr extends Expr { 04: public final int value; 05: 06: public NumExpr(Number value) { 07: super (); 08: this .value = value.intValue(); 09: } 10: 11: public void accept(TreeWalker walker) { 12: walker.visit(this); 13: } 14: }