ArrayList – CodeRavo

Efficiently Splitting Comma-Separated Strings into Lists in Java

Introduction In programming, especially when dealing with data input or processing text files, you often encounter … Efficiently Splitting Comma-Separated Strings into Lists in JavaRead more

ArrayList, Arrays.asList(), Java, list, regular expressions, String.split(), whitespace-handling

Efficiently Checking for Element Existence in Java Collections

Introduction When working with collections in Java, a common task is to determine whether an element … Efficiently Checking for Element Existence in Java CollectionsRead more

ArrayList, Contains, equals, hashcode, hashset, java-collections, o-1, o-n, performance, Streams

Converting Between ArrayList and Array in Java

In Java, it’s common to work with both ArrayList and array data structures. While ArrayList provides … Converting Between ArrayList and Array in JavaRead more

Array, ArrayList, Conversion, Java, manual-iteration, stream-api, toarray

How to Print Contents of an `ArrayList` with Custom Objects in Java

Introduction When working with collections such as ArrayList in Java, especially when they contain custom objects, … How to Print Contents of an `ArrayList` with Custom Objects in JavaRead more

ArrayList, collections, custom-objects, debugging, Java, tostring

Array Length in Java: Allocated Size vs. Used Space

Understanding Array Length in Java Arrays are fundamental data structures in Java, used to store collections … Array Length in Java: Allocated Size vs. Used SpaceRead more

allocated-size, Array, ArrayList, data structures, default-values, dynamic-array, Java, length, memory-allocation

Removing Duplicate Elements from Lists in Java

Removing Duplicate Elements from Lists in Java Lists are a fundamental data structure in Java, frequently … Removing Duplicate Elements from Lists in JavaRead more

ArrayList, collections, data structures, distinct, Java, linkedhashset, list, remove duplicates, set, Stream

Efficient Element Removal from Arrays in Java

Introduction In Java, removing an element from an array is not as straightforward as with other … Efficient Element Removal from Arrays in JavaRead more

ArrayList, Arrays, collections, element-removal, Java, performance, system-arraycopy

Converting Java Map to List: A Comprehensive Tutorial

Introduction In Java, the Map interface is used to store key-value pairs. It allows efficient retrieval … Converting Java Map to List: A Comprehensive TutorialRead more

ArrayList, collection, convert, HashMap, Java, key-value pairs, list, map, streams-api, TreeMap

Converting Sets to Lists in Java

In Java, sets and lists are two types of collections that serve different purposes. A set … Converting Sets to Lists in JavaRead more

addall, ArrayList, collectors, Conversion, Guava, Java, Lists, sets, Streams

Efficiently Retrieve the Last Element of an ArrayList in Java

Introduction Retrieving the last element from an ArrayList is a common task in Java programming. This … Efficiently Retrieve the Last Element of an ArrayList in JavaRead more

ArrayList, getlast, google-guava, indexoutofboundsexception, iterables-getlast, Java, listutils, nosuchelementexception, sequencedcollection