samoa-api/src/main/java/org/apache/samoa/moa/core/Utils.java
samoa-instances/src/main/java/org/apache/samoa/instances/Utils.java

samoa-api/src/main/java/org/apache/samoa/moa/core/DoubleVector.java
samoa-instances/src/main/java/org/apache/samoa/instances/MultiLabelPrediction.java

samoa-api/src/main/java/org/apache/samoa/moa/core/MiscUtils.java
samoa-instances/src/main/java/org/apache/samoa/instances/Utils.java