Map<String,String> hm = new HashMap<String,String>(); hm.put("it002","hello"); hm.put("it003","world"); hm.put("it001","java"); //方式1 键找值 Se
但是发给对方v package cn.itcast.elec.container; import org.apache.commons.lang.StringUtils; public class ServiceProvider { public static ServiceProviderCord spc;
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