java-tutorials/core-java

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Core Java Cookbooks and Examples

Relevant Articles:

• Immutable ArrayList in Java
• Java - Reading a Large File Efficiently
• Java InputStream to String
• Converting between an Array and a List in Java
• Converting between an Array and a Set in Java
• Converting between a List and a Set in Java
• Convert a Map to an Array, List or Set in Java
• Java – Write to File
• Java - Convert File to InputStream
• Java – Random Long, Float, Integer and Double
• Java – Generate Random String
• Java Scanner
• Java Timer
• Java – Byte Array to Writer
• How to Run a Shell Command in Java
• MD5 Hashing in Java
• Guide to the Java ArrayList
• Guide to Java Reflection
• A Guide to Java Sockets
• Java 8 Collectors
• Guide To CompletableFuture
• Guide to Java 8’s Functional Interfaces
• Convert char to String in Java
• Random List Element
• Convert String to int or Integer in Java
• Java 8 – Powerful Comparison with Lambdas
• Java – Directory Size
• Java – Try with Resources
• A Guide to the Java ExecutorService
• Java 8 New Features
• Lambda Expressions and Functional Interfaces: Tips and Best Practices
• The Double Colon Operator in Java 8
• Java 8 Streams Advanced
• Introduction to Thread Pools in Java
• Introduction to Java 8 Streams
• Guide to the Fork/Join Framework in Java
• How to Print Screen in Java
• How to Convert String to different data types in Java
• Introduction to Java Generics
• Generate equals() and hashCode() with Eclipse
• A Guide To Java Regular Expressions API
• Sorting in Java
• Getting Started with Java Properties
• Grep in Java
• Java - Combine Multiple Collections
• Simulated Annealing for Travelling Salesman Problem
• Slope One Algorithm: Collaborative Filtering Recommendation Systems
• Differences Between the Java WatchService API and the Apache Commons IO Monitor Library
• Pattern Search with Grep in Java
• URL Encoding and Decoding in Java
• Calculate the Size of a File in Java
• The Basics of Java Generics
• The Traveling Salesman Problem in Java
• How to Create an Executable JAR with Maven
• Guide to java.util.concurrent.Future
• Guide to java.util.concurrent.BlockingQueue
• Guide to CountDownLatch in Java
• How to Design a Genetic Algorithm in Java
• A Guide to ConcurrentMap
• Guide to PriorityBlockingQueue in Java
• Guide to Java 8 groupingBy Collector
• Avoiding the ConcurrentModificationException in Java
• Guide to WeakHashMap in Java
• Strategy Design Pattern in Java 8
• Java 8 and Infinite Streams
• Custom Thread Pools In Java 8 Parallel Streams
• String Operations with Java Streams
• Spring Security – Cache Control Headers
• Basic Introduction to JMX
• AWS Lambda With Java
• Introduction to Nashorn
• Exceptions in Java 8 Lambda Expressions
• Guide to the Guava BiMap
• Iterable to Stream in Java
• Java 8 Stream findFirst() vs. findAny()
• Chained Exceptions in Java
• The Java HashMap Under the Hood
• A Guide to LinkedHashMap in Java
• A Guide to TreeMap in Java
• A Quick JUnit vs TestNG Comparison
• Finding Max/Min of a List or Collection
• Guide to java.util.concurrent.Locks
• Java Primitive Conversions
• Java Money and the Currency API
• Guide to Java 8 Comparator.comparing()
• Avoiding ConcurrentModificationException when iterating and removing
• Removing all nulls from a List in Java
• Removing all duplicates from a List in Java
• An Introduction to ThreadLocal in Java
• Using Math.pow in Java
• Converting Strings to Enums in Java
• Flattening Nested Collections in Java
• Quick Guide to the Java StringTokenizer
• JVM Log Forging
• Guide to sun.misc.Unsafe
• HashSet and TreeSet Comparison
• How to Perform a Simple HTTP Request in Java
• Call Methods at Runtime Using Java Reflection
• Guide to DelayQueue
• Guide to UUID in JAVA
• Comparing getPath(), getAbsolutePath(), and getCanonicalPath() in Java
• How to Add a Single Element to a Stream
• Iterating Over Enum Values in Java
• A Guide to Java SynchronousQueue
• Guide to the Java TransferQueue
• Kotlin Java Interoperability
• Guide to the ConcurrentSkipListMap
• Difference Between Wait and Sleep in Java
• LongAdder and LongAccumulator in Java
• Using Java MappedByteBuffer
• Dynamic Proxies in Java
• How to Copy an Array in Java
• Introduction to JDBC
• Guide to CopyOnWriteArrayList
• Period and Duration in Java
• Converting a Stack Trace to a String in Java
• Guide to the Java Phaser
• Count Occurrences of a Char in a String
• Java Double Brace Initialization
• The StackOverflowError in Java
• Split a String in Java
• Introduction to Java Serialization
• How to Remove the Last Character of a String?
• Guide to Synchronized Keyword in Java
• ClassNotFoundException vs NoClassDefFoundError
• Guide to UUID in Java
• How to Get the Last Element of a Stream in Java?
• Guide to Escaping Characters in Java RegExps