visitora.java

来自「《Java与模式》一书的源代码」· Java 代码 · 共 15 行

package com.javapatterns.visitor.visitor0;

public class VisitorA implements Visitor
{
    public void visit(NodeA nodeA)
    {
        System.out.println(nodeA.operationA());
    }

    public void visit(NodeB nodeB)
    {
        System.out.println(nodeB.operationB());
    }
}