Conversion between Java type and Hadoop type

Source: Internet
Author: User

Java basic types vs. common basic types of Hadoop
Long longwritable
Integer intwritable
Boolean booleanwritable



How does the Java type Translate to Hadoop basic type?

Call the construction method of the Hadoop type, or call the set () method.

New Longwritable (123L);

How does Hadoop basic type translate to Java type?
For text, you call the ToString () method, and other types call the Get () method.

Continue in the future, in-depth

Conversion between Java type and Hadoop type

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