Procedure
- Create
a Mapper class. Specify the source folder, select or specify the
package, and create a name for your program. Select the input and
output keys and values, and click Next.
- Optional: Add
or select any interfaces to use.
- Create
a Reducer implementation. The source folder, package, and input
keys are automatically selected. Create a name for the Reducer
implementation. Select the output keys and values, and click Next.
- Optional: Add
or select any interfaces to use.
- Create
a Java MapReduce Main class. The source folder is automatically
selected. Select or specify the package.
- Optional: Add
or select any interfaces to use.
- Click
Finish to create all three
classes.
Results
Each new Mapper class, Reducer implementation, and Java MapReduce
Main class opens in a new window.