remove reports from examples -> useless in this case

Jenkinsfile

@@ -38,38 +38,6 @@ pipeline {
       }
     }
     
-    stage ('Reports and Statistics') {
-      //create reports only if triggerd by new code
-      when {
-        expression {
-          if(currentBuild.rawBuild.getCauses().any { it ==~ /^jenkins\.branch\.BranchIndexingCause.*/}){
-            return true
-          }
-          return false
-        }
-      }
-
-      steps {
-        script {
-          projver=sh(returnStdout: true, script: 'mvn org.apache.maven.plugins:maven-help-plugin:2.1.1:evaluate -Dexpression=project.version | grep -Ev "(^\\[|Download\\w+)"').trim()
-          
-          //warnings plugin
-          rtMaven.run pom: 'pom.xml', goals: '--batch-mode -V -e checkstyle:checkstyle pmd:pmd pmd:cpd findbugs:findbugs com.github.spotbugs:spotbugs-maven-plugin:3.1.7:spotbugs -Dmaven.repo.local=.m2'
-
-          recordIssues enabledForFailure: true, tool: checkStyle()
-          recordIssues enabledForFailure: true, tool: findBugs()
-          recordIssues enabledForFailure: true, tool: spotBugs()
-          recordIssues enabledForFailure: true, tool: cpd(pattern: '**/target/cpd.xml')
-          recordIssues enabledForFailure: true, tool: pmdParser(pattern: '**/target/pmd.xml')
-        }
-      }
-      post {
-        failure {
-          rocketSend channel: 'jenkinsohsome', message: "Reporting of examples-build nr. ${env.BUILD_NUMBER} *failed* on Branch - ${env.BRANCH_NAME}  (<${env.BUILD_URL}|Open Build in Jenkins>). Latest commit from  ${author}." , rawMessage: true
-        }
-      }
-    }
-    
     stage ('Check Dependencies') {
       when {
         expression {
@@ -137,4 +105,4 @@ pipeline {
       }
     }
   }
-}
\ No newline at end of file
+}

src/main/java/org/heigit/bigspatialdata/oshdb/examples/analyses/DistinctContributors.java

@@ -14,9 +14,9 @@ public class DistinctContributors {
 
   public static void main(String[] args) throws Exception {
     // database
-    OSHDBH2 oshdb = (new OSHDBH2(DistinctContributors.class.getResource("/test.oshdb.mv.db")
+    OSHDBH2 oshdb = new OSHDBH2(DistinctContributors.class.getResource("/test.oshdb.mv.db")
         .getFile()
-        .replace(".mv.db", "")))
+        .replace(".mv.db", ""))
         .multithreading(true);
     
     //keytables
@@ -40,7 +40,7 @@ public class DistinctContributors {
 
     // output
     for (Map.Entry<OSHDBTimestamp, Integer> entry : result.entrySet()) {
-      System.out.format("%s\t%.2f\n",
+      System.out.format("%s\t%.2f%n",
           TimestampFormatter.getInstance().isoDateTime(entry.getKey()),
           entry.getValue().doubleValue()
       );

src/main/java/org/heigit/bigspatialdata/oshdb/examples/analyses/RoadLength.java

@@ -25,9 +25,9 @@ public class RoadLength {
 
   public static void main(String[] args) throws Exception {
     // database
-    OSHDBH2 oshdb = (new OSHDBH2(RoadLength.class.getResource("/test.oshdb.mv.db")
+    OSHDBH2 oshdb = new OSHDBH2(RoadLength.class.getResource("/test.oshdb.mv.db")
         .getFile()
-        .replace(".mv.db", "")))
+        .replace(".mv.db", ""))
         .multithreading(true);
     OSHDBH2 oshdbKeytables = new OSHDBH2(RoadLength.class.getResource("/test.oshdb.keytables.mv.db")
         .getFile()
@@ -41,11 +41,11 @@ public class RoadLength {
         .osmType(OSMType.WAY)
         .osmTag("highway", highway_motorway)
         .aggregateByTimestamp()
-        .sum(snapshot -> (Geo.lengthOf(snapshot.getGeometry()) / 1000));
+        .sum(snapshot -> Geo.lengthOf(snapshot.getGeometry()) / 1000);
 
     // output
     for (Map.Entry<OSHDBTimestamp, Number> entry : result.entrySet()) {
-      System.out.format("%s\t%.2f\n",
+      System.out.format("%s\t%.2f%n",
           TimestampFormatter.getInstance().isoDateTime(entry.getKey()),
           entry.getValue().doubleValue()
       );