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https://issues.apache.org/jira/browse/OPENNLP-1448?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17693148#comment-17693148
 ] 

ASF GitHub Bot commented on OPENNLP-1448:
-----------------------------------------

rzo1 commented on code in PR #492:
URL: https://github.com/apache/opennlp/pull/492#discussion_r1116845737


##########
opennlp-tools/src/main/java/opennlp/tools/ml/maxent/GISTrainer.java:
##########
@@ -407,9 +399,9 @@ public GISModel trainModel(int iterations, DataIndexer di, 
Prior modelPrior, int
     prior.setLabels(outcomeLabels, predLabels);
     numPreds = predLabels.length;
 
-    display("\tNumber of Event Tokens: " + numUniqueEvents + "\n");
-    display("\t    Number of Outcomes: " + numOutcomes + "\n");
-    display("\t  Number of Predicates: " + numPreds + "\n");
+    logger.info("Number of Event Tokens: {}", numUniqueEvents);

Review Comment:
   I will change it to a one-liner with  \t formatting as before.



##########
opennlp-tools/src/main/java/opennlp/tools/ml/perceptron/PerceptronTrainer.java:
##########
@@ -265,25 +270,25 @@ public AbstractModel trainModel(int iterations, 
DataIndexer di, int cutoff, bool
     numPreds = predLabels.length;
     numOutcomes = outcomeLabels.length;
 
-    display("done.\n");
+    logger.info("done.");
 
-    display("\tNumber of Event Tokens: " + numUniqueEvents + "\n");
-    display("\t    Number of Outcomes: " + numOutcomes + "\n");
-    display("\t  Number of Predicates: " + numPreds + "\n");
+    logger.info("Number of Event Tokens: {}", numUniqueEvents);

Review Comment:
   done



##########
opennlp-tools/src/main/java/opennlp/tools/ml/naivebayes/NaiveBayesTrainer.java:
##########
@@ -145,17 +150,17 @@ public AbstractModel trainModel(DataIndexer di) {
     numPreds = predLabels.length;
     numOutcomes = outcomeLabels.length;
 
-    display("done.\n");
+    logger.info("done.");
 
-    display("\tNumber of Event Tokens: " + numUniqueEvents + "\n");
-    display("\t    Number of Outcomes: " + numOutcomes + "\n");
-    display("\t  Number of Predicates: " + numPreds + "\n");
+    logger.info("Number of Event Tokens: {}", numUniqueEvents);

Review Comment:
   done





> Introduce SLF4J in OpenNLP
> --------------------------
>
>                 Key: OPENNLP-1448
>                 URL: https://issues.apache.org/jira/browse/OPENNLP-1448
>             Project: OpenNLP
>          Issue Type: Sub-task
>            Reporter: Richard Zowalla
>            Assignee: Richard Zowalla
>            Priority: Major
>
> This will be the first step regarding OPENNLP-1447.
> Goal is to replace System.err / System.out calls with logger output, which is 
> configurable.



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