public abstract class URISyntax extends Object implements Serializable, Cloneable
protected URISyntax(URI uri)
uri - URI。 
           NullPointerException - (未选中的异常)如果 
            uri为空,则抛出。 
           public URI getURI()
public int hashCode()
hashCode在 
            Object 
           Object.equals(java.lang.Object) , 
            System.identityHashCode(java.lang.Object) 
           public boolean equals(Object object)
object不为空。 object是URISyntax类的一个实例。 object的底层URI是相等的。 equals在 
            Object类 
           object - 与之比较的对象。 
           object等同于此URI属性,则为True, 
            object为false。 
           Object.hashCode() , HashMap 
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