public final class VMID extends Object implements Serializable
public VMID()
java.rmi.server.UID条件,b)可以为该主机获取唯一和常数的地址在这个对象的一生中。 
          @Deprecated public static boolean isUnique()
public int hashCode()
hashCode在类别 
            Object 
           Object.equals(java.lang.Object) , 
            System.identityHashCode(java.lang.Object) 
           public boolean equals(Object obj)
equals在类别 
            Object 
           obj - 与之比较的参考对象。 
           true如果此对象与obj参数相同; 
            false否则。 
           Object.hashCode() , HashMap 
            Submit a bug or feature 
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