private class Test
{
const string abc = "dddd";const string abc = "dddd";const string abc = "dddd";const string abc = "dddd";const string abc = "dddd";const string abc = "dddd";const string abc = "dddd";const string abc = "dddd";const string abc = "dddd";
private void Add(int a)
{
abc += a;
}
}
原文：http://www.cnblogs.com/keketest/p/7766953.html