KeyValue (kafka 2.8.1 API)

java.lang.Object
- org.apache.kafka.streams.KeyValue<K,V>

Type Parameters:

K - Key type

V - Value type
```
public class KeyValue<K,V>
extends Object
```
A key-value pair defined for a single Kafka Streams record. If the record comes directly from a Kafka topic then its key/value are defined as the message key/value.

Field Summary

Fields
Modifier and Type Field Description

K key
The key of the key-value pair.

V value
The value of the key-value pair.

Constructor Summary

Constructors
Constructor Description

KeyValue(K key, V value)
Create a new key-value pair.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`equals(Object obj)`
`int`	`hashCode()`
`static <K,V> KeyValue<K,V>`	`pair(K key, V value)`	Create a new key-value pair.
`String`	`toString()`

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Field Detail
  - key
```
public final K key
```
    The key of the key-value pair.
  - value
```
public final V value
```
    The value of the key-value pair.
- Constructor Detail
  - KeyValue
```
public KeyValue(K key,
                V value)
```
    Create a new key-value pair.
    
    Parameters:
    
    key - the key
    
    value - the value
- Method Detail
  - pair
```
public static <K,V> KeyValue<K,V> pair(K key,
                                                   V value)
```
    Create a new key-value pair.
    
    Type Parameters:
    
    K - the type of the key
    
    V - the type of the value
    
    Parameters:
    
    key - the key
    
    value - the value
    
    Returns:
    
    a new key-value pair
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object
  - equals
```
public boolean equals(Object obj)
```
    Overrides:
    
    equals in class Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class Object