public abstract class BinaryExpr extends java.lang.Object implements Expr
protected Expr
_left
_right
BinaryExpr(Expr left, Expr right)
abstract int
eval(int n)
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
protected Expr _left
protected Expr _right
public BinaryExpr(Expr left, Expr right)
public abstract int eval(int n)
eval
Expr