What's the difference between ConcurrentHashMap and Collections.synchronizedMap(Map)?

What's the difference between ConcurrentHashMap and Collections.synchronizedMap(Map)?

java dictionary concurrency

java

Why there is no ConcurrentHashSet against ConcurrentHashMap

java collections concurrency hashmap hashset

java

When and how should I use a ThreadLocal variable?

java multithreading concurrency thread-local thread-confinement

java

How to wait for all threads to finish, using ExecutorService?

java multithreading concurrency parallel-processing executorservice

java

Is there an advantage to use a Synchronized Method instead of a Synchronized Block?

java multithreading concurrency locking synchronized

java

Custom thread pool in Java 8 parallel stream

java concurrency parallel-processing java-8 java-stream

java

What's the difference between a Future and a Promise?

java concurrency future promise

java

Is there a concurrent List in Java's JDK?

java list concurrency

java

Why use a ReentrantLock if one can use synchronized(this)?

java multithreading concurrency synchronize reentrantlock

java

Why must wait() always be in synchronized block

java multithreading concurrency wait

java

Volatile vs Static in Java

java multithreading concurrency static volatile

java

Is "Java Concurrency In Practice" still valid? [closed]

java concurrency java-8 java-7

java

Volatile boolean vs AtomicBoolean

java concurrency boolean volatile atomicboolean

java

When do I need to use AtomicBoolean in Java?

java concurrency

java

Practical uses for AtomicInteger

java concurrency atomic

java