========= ## Core Java Cookbooks and Examples ### Relevant Articles: - [Immutable ArrayList in Java](http://www.baeldung.com/java-immutable-list) - [Java - Reading a Large File Efficiently](http://www.baeldung.com/java-read-lines-large-file) - [Java InputStream to String](http://www.baeldung.com/convert-input-stream-to-string) - [Converting between an Array and a List in Java](http://www.baeldung.com/convert-array-to-list-and-list-to-array) - [Converting between an Array and a Set in Java](http://www.baeldung.com/convert-array-to-set-and-set-to-array) - [Converting between a List and a Set in Java](http://www.baeldung.com/convert-list-to-set-and-set-to-list) - [Convert a Map to an Array, List or Set in Java](http://www.baeldung.com/convert-map-values-to-array-list-set) - [Java – Write to File](http://www.baeldung.com/java-write-to-file) - [Java Scanner](http://www.baeldung.com/java-scanner) - [Java Timer](http://www.baeldung.com/java-timer-and-timertask) - [Java – Byte Array to Writer](http://www.baeldung.com/java-convert-byte-array-to-writer) - [How to Run a Shell Command in Java](http://www.baeldung.com/run-shell-command-in-java) - [MD5 Hashing in Java](http://www.baeldung.com/java-md5) - [Guide to the Java ArrayList](http://www.baeldung.com/java-arraylist) - [Guide to Java Reflection](http://www.baeldung.com/java-reflection) - [A Guide to Java Sockets](http://www.baeldung.com/a-guide-to-java-sockets) - [Java 8 Collectors](http://www.baeldung.com/java-8-collectors) - [Guide To CompletableFuture](http://www.baeldung.com/java-completablefuture) - [Guide to Java 8’s Functional Interfaces](http://www.baeldung.com/java-8-functional-interfaces) - [Convert char to String in Java](http://www.baeldung.com/java-convert-char-to-string) - [Random List Element](http://www.baeldung.com/java-random-list-element) - [Convert String to int or Integer in Java](http://www.baeldung.com/java-convert-string-to-int-or-integer) - [Java 8 – Powerful Comparison with Lambdas](http://www.baeldung.com/java-8-sort-lambda) - [Java – Directory Size](http://www.baeldung.com/java-folder-size) - [Java – Try with Resources](http://www.baeldung.com/java-try-with-resources) - [A Guide to the Java ExecutorService](http://www.baeldung.com/java-executor-service-tutorial) - [Java 8 New Features](http://www.baeldung.com/java-8-new-features) - [Lambda Expressions and Functional Interfaces: Tips and Best Practices](http://www.baeldung.com/java-8-lambda-expressions-tips) - [The Double Colon Operator in Java 8](http://www.baeldung.com/java-8-double-colon-operator) - [Java 8 Streams Advanced](http://www.baeldung.com/java-8-streams) - [Introduction to Thread Pools in Java](http://www.baeldung.com/thread-pool-java-and-guava) - [Introduction to Java 8 Streams](http://www.baeldung.com/java-8-streams-introduction) - [Guide to the Fork/Join Framework in Java](http://www.baeldung.com/java-fork-join) - [How to Print Screen in Java](http://www.baeldung.com/print-screen-in-java) - [How to Convert String to different data types in Java](http://www.baeldung.com/java-string-conversions) - [Introduction to Java Generics](http://www.baeldung.com/java-generics) - [Generate equals() and hashCode() with Eclipse](http://www.baeldung.com/java-eclipse-equals-and-hashcode) - [A Guide To Java Regular Expressions API](http://www.baeldung.com/regular-expressions-java) - [Sorting in Java](http://www.baeldung.com/java-sorting) - [Getting Started with Java Properties](http://www.baeldung.com/java-properties) - [Grep in Java](http://www.baeldung.com/grep-in-java) - [Java - Combine Multiple Collections](http://www.baeldung.com/java-combine-multiple-collections) - [Simulated Annealing for Travelling Salesman Problem](http://www.baeldung.com/java-simulated-annealing-for-traveling-salesman)