com.fasterxml.jackson.databind.ObjectMapper#reader(com.fasterxml.jackson.core.type.TypeReference) @ Use ObjectMapper#readerFor instead com.fasterxml.jackson.databind.ObjectMapper#reader(com.fasterxml.jackson.databind.JavaType) @ Use ObjectMapper#readerFor instead com.fasterxml.jackson.databind.ObjectMapper#reader(java.lang.Class) @ Use ObjectMapper#readerFor instead com.google.common.base.Charsets @ Use java.nio.charset.StandardCharsets instead com.google.common.collect.Iterators#emptyIterator() @ Use java.util.Collections#emptyIterator() com.google.common.collect.Lists#newArrayList() @ Create java.util.ArrayList directly com.google.common.collect.Lists#newLinkedList() @ Use ArrayList or ArrayDeque instead com.google.common.collect.Lists#newLinkedList(java.lang.Iterable) @ Use ArrayList or ArrayDeque instead com.google.common.collect.MapMaker @ Create java.util.concurrent.ConcurrentHashMap directly com.google.common.collect.Maps#newConcurrentMap() @ Create java.util.concurrent.ConcurrentHashMap directly com.google.common.collect.Maps#newHashMap() @ Create java.util.HashMap directly com.google.common.collect.Maps#newHashMap(java.util.Map) @ Create java.util.HashMap directly com.google.common.collect.Maps#newTreeMap() @ Create java.util.TreeMap directly com.google.common.collect.Maps#newTreeMap(java.util.Comparator) @ Create java.util.TreeMap directly com.google.common.collect.Maps#newTreeMap(java.util.SortedMap) @ Create java.util.TreeMap directly com.google.common.collect.Queues#newArrayDeque() @ Create java.util.ArrayDeque directly com.google.common.collect.Queues#newConcurrentLinkedQueue() @ Create java.util.concurrent.ConcurrentLinkedQueue directly com.google.common.collect.Queues#newLinkedBlockingQueue() @ Create java.util.concurrent.LinkedBlockingQueue directly com.google.common.collect.Sets#newHashSet() @ Create java.util.HashSet directly com.google.common.collect.Sets#newLinkedHashSet() @ Create java.util.LinkedHashSet directly com.google.common.collect.Sets#newTreeSet() @ Create java.util.TreeSet directly com.google.common.collect.Sets#newTreeSet(java.util.Comparator) @ Create java.util.TreeSet directly com.google.common.util.concurrent.MoreExecutors#sameThreadExecutor() @ Use org.apache.druid.java.util.common.concurrent.Execs#directExecutor() com.google.common.util.concurrent.MoreExecutors#newDirectExecutorService() @ Use org.apache.druid.java.util.common.concurrent.Execs#directExecutor() com.google.common.util.concurrent.MoreExecutors#directExecutor() @ Use org.apache.druid.java.util.common.concurrent.Execs#directExecutor() com.google.common.util.concurrent.Futures#transform(com.google.common.util.concurrent.ListenableFuture, com.google.common.util.concurrent.AsyncFunction) @ Use org.apache.druid.java.util.common.concurrent.ListenableFutures#transformAsync java.io.File#toURL() @ Use java.io.File#toURI() and java.net.URI#toURL() instead java.lang.String#matches(java.lang.String) @ Use startsWith(), endsWith(), contains(), or compile and cache a Pattern explicitly java.lang.String#replace(java.lang.CharSequence,java.lang.CharSequence) @ Use one of the appropriate methods in StringUtils instead java.lang.String#replaceAll(java.lang.String,java.lang.String) @ Use one of the appropriate methods in StringUtils instead, or compile and cache a Pattern explicitly java.lang.String#replaceFirst(java.lang.String,java.lang.String) @ Use String.indexOf() and substring methods, or compile and cache a Pattern explicitly java.util.LinkedList @ Use ArrayList or ArrayDeque instead java.util.Random#() @ Use ThreadLocalRandom.current() or the constructor with a seed (the latter in tests only!) java.lang.Math#random() @ Use ThreadLocalRandom.current() java.util.regex.Pattern#matches(java.lang.String,java.lang.CharSequence) @ Use String.startsWith(), endsWith(), contains(), or compile and cache a Pattern explicitly org.apache.commons.io.FileUtils#getTempDirectory() @ Use org.junit.rules.TemporaryFolder for tests instead @defaultMessage Use Locale.ENGLISH com.ibm.icu.text.DateFormatSymbols#() com.ibm.icu.text.SimpleDateFormat#() com.ibm.icu.text.SimpleDateFormat#(java.lang.String) @defaultMessage For performance reasons, use the utf8Base64 / encodeBase64 / encodeBase64String / decodeBase64 / decodeBase64String methods in StringUtils org.apache.commons.codec.binary.Base64 com.google.common.io.BaseEncoding.base64