Tag: Java

Java Exception Handling Best Practices Cheat Sheet

Published on:

Java Exception Handling Best Practices Cheat Sheet Proper exception handling is crucial for maintaining the robustness and readability of Java...

Read More

Java Singleton Design Pattern

Published on:

The Singleton Design Pattern ensures that a class has only one instance and provides a global point of access to...

Read More

Difference between final, finally, and finalize in Java

Published on:

Criteria final finally finalize Category Modifier Block Method Usage Used with classes to prevent inheritance. Used with methods to prevent...

Read More

Difference between Array and ArrayList in Java

Published on:

Criteria Array ArrayList Size Fixed. The size of an array is set upon initialization and cannot be changed. Dynamic. The...

Read More

Difference between String and StringBuffer in Java

Published on:

Criteria String StringBuffer Immutability Immutable: Once a String object is created, its content cannot be altered. Mutable: The content can...

Read More

Difference between String and StringBuilder in Java

Published on:

Criteria String StringBuilder Immutability Immutable: Once a String object is created, its content cannot be changed. Mutable: The content can...

Read More

Difference Between Iterable and Collection in Java

Published on:

Criteria Iterable Collection Package java.lang java.util Primary Purpose To provide a mechanism to iterate over a sequence of elements. Represents...

Read More

Difference Between NavigableSet and SortedSet in Java

Published on:

The main difference is SortedSet offers basic operations in a sorted order, while NavigableSet provides more advanced navigational operations.

Read More

Difference Between NavigableMap and SortedMap in Java

Published on:

Criteria NavigableMap SortedMap Interface Hierarchy NavigableMap extends SortedMap. SortedMap is a subinterface of Map. Ordering Guarantees key ordering, like SortedMap....

Read More

Difference Between EnumMap and HashMap in Java

Published on:

Criteria EnumMap HashMap Key Type Only accepts keys of a single enum type. Can accept any object as a key....

Read More

Difference Between EnumSet and HashSet in Java

Published on:

Criteria EnumSet HashSet Element Type Only stores elements of a single enum type. Can store any objects. Performance Typically faster...

Read More

Difference Between TreeMap and LinkedHashMap in Java

Published on:

Criteria TreeMap LinkedHashMap Ordering Sorted according to the natural ordering of its keys, or by a comparator provided at map...

Read More

Difference Between SynchronizedMap and ConcurrentHashMap in Java

Published on:

Criteria SynchronizedMap ConcurrentHashMap Thread Safety Thread-safe. Every individual operation (like get, put) is synchronized. Thread-safe. Allows concurrent read and write...

Read More

Difference Between CopyOnWriteArraySet and HashSet in Java

Published on:

Criteria CopyOnWriteArraySet HashSet Thread Safety Thread-safe. All mutative operations (add, remove, etc.) are implemented by making a fresh copy of...

Read More

Difference Between CopyOnWriteArrayList and ArrayList in Java

Published on:

Criteria CopyOnWriteArrayList ArrayList Thread Safety Thread-safe. All mutative operations (add, set, remove, etc.) are implemented by making a fresh copy...

Read More

Difference Between IdentityHashMap and HashMap in Java

Published on:

Criteria IdentityHashMap HashMap Key Comparison Uses reference equality (==) for comparing keys Uses equals() method for comparing keys Use-case Used...

Read More

Difference Between WeakHashMap and HashMap in Java

Published on:

Criteria WeakHashMap HashMap Key Storage Uses weak references for keys Uses strong references for keys Garbage Collection When the key...

Read More

Difference Between TreeSet and LinkedHashSet in Java

Published on:

Let’s first discuss the key points about TreeSet and LinkedHashSet in Java: Underlying Data Structure: Ordering: Performance: Null Elements: Iterators:...

Read More

Difference Between PriorityQueue and LinkedList in Java

Published on:

Here are the key points about PriorityQueue and LinkedList in Java: Purpose & Underlying Structure: Ordering: Performance: Null Elements: Usage...

Read More

Difference Between ConcurrentHashMap and HashMap in Java

Published on:

Here are the key points about ConcurrentHashMap and HashMap in Java: Concurrency: Performance: Null Keys and Values: Iterators: Internal Structure:...

Read More

Difference Between ArrayList and Vector in Java

Published on:

Here are the key points highlighting the differences between ArrayList and Vector in Java: Synchronization: Performance: Capacity Increment: Legacy: Flexibility:...

Read More

Difference Between LinkedHashSet and HashSet in Java

Published on:

Here are the key points about LinkedHashSet and HashSet in Java: Underlying Data Structure: LinkedHashSet: Backed by both a hash...

Read More

Difference Between ArrayDeque and LinkedList in Java

Published on:

Choosing between ArrayDeque and LinkedList depends on the specific needs of your application, especially concerning performance, memory overhead, and the...

Read More

Difference Between HashTable and HashMap in Java

Published on:

Choosing between HashTable and HashMap largely depends on the specific needs of the application, especially regarding thread safety and performance...

Read More

Difference Between HashMap and TreeMap in Java

Published on:

In Java, we have HashMap and TreeMap classes to store and organize data (key-value pairs). Both do similar jobs but...

Read More