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## jet.api
Class QueryInfo

    java.lang.Object
      jet.api.QueryInfo

Direct Known Subclasses:
  UnionInfos

    public class QueryInfo

extends java.lang.Object

This class is the base class of all query-concerned classes. it represents a packet which provides basic operations to manipulate query infos

Method Summary
`int` | `getInfoNumber()` return the number of the elements
`int` | `indexOf(java.lang.Object info)` return where the specific object is
`boolean` | `remove(int index)` remove a element from the array
`boolean` | `remove(java.lang.Object info)` delete a given object from the array
`void` | `removeAll()` delete all objects from the array

Methods inherited from class java.lang.Object
`equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Method Detail

### remove

    public boolean remove(java.lang.Object info)

  delete a given object from the array

  Parameters:
    `info` - the object to be deleted

### remove

    public boolean remove(int index)

  remove a element from the array

  Parameters:
    `index` - where the object to be removed

### removeAll

    public void removeAll()

  delete all objects from the array

### indexOf

    public int indexOf(java.lang.Object info)

  return where the specific object is

  Parameters:
    `info` - the object to be looked for
  Returns:
    where the object first found, returns -1 if the object is not found.

### getInfoNumber

    public int getInfoNumber()

  return the number of the elements

  Returns:
    informations number value

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