If the elements of an enumerated type are used primarily in sets, it is traditional to use the int enum pattern (Item 34), assigning a different power of 2 to each ...

// Parameter is bitwise OR of zero or more STYLE_ constants public void applyStyles(int styles) { ... } This representation lets you use the bitwise OR operation to combine several constants into a ...

After having spent several years developing primarily in C++, I missed having an enum in Java until it was finally introduced with J2SE 5. The long wait was worth it because the Java enum is much more ...

☕ Java Interview Question 📌 What is EnumSet in Java? Java EnumSet is a specialized implementation of the Set interface designed specifically for enum types. It is highly efficient because it stores ...

EnumSet Stop using HashSet for enums. Use EnumSet. - It uses a bit-set. - It uses a primitive long. - It uses less memory. - It is faster. CopyOnWriteArrayList Use this for thread-safe lists. It stops ...