@InterfaceAudience.Public @InterfaceStability.Stable public class DoubleWritable extends Object implements WritableComparable<DoubleWritable>
| コンストラクタと説明 | 
|---|
| DoubleWritable() | 
| DoubleWritable(double value) | 
| 修飾子とタイプ | メソッドと説明 | 
|---|---|
| int | compareTo(DoubleWritable o) | 
| boolean | equals(Object o)Returns true iff  ois a DoubleWritable with the same value. | 
| double | get() | 
| int | hashCode() | 
| void | readFields(DataInput in)Deserialize the fields of this object from  in. | 
| void | set(double value) | 
| String | toString() | 
| void | write(DataOutput out)Serialize the fields of this object to  out. | 
public DoubleWritable()
public DoubleWritable(double value)
public void readFields(DataInput in) throws IOException
Writablein.  
 
 For efficiency, implementations should attempt to re-use storage in the existing object where possible.
readFields インタフェース内 Writablein - DataInput to deseriablize this object from.IOExceptionpublic void write(DataOutput out) throws IOException
Writableout.write インタフェース内 Writableout - DataOuput to serialize this object into.IOExceptionpublic void set(double value)
public double get()
public int compareTo(DoubleWritable o)
compareTo インタフェース内 Comparable<DoubleWritable>Copyright © 2016 Apache Software Foundation. All rights reserved.