摘要:
package com.jihe; public class Emp { private String e_id; private String e_name; public Emp(String e_id, String e_name) { super(); this.e_id = e_id; this.e_name =... 阅读全文
摘要:
package com.jihe; import java.util.*; public class Test { public static void main(String[] args) { List ls =new ArrayList(); ls.add("A"); ls.add("a"); ls.add("C")... 阅读全文