C# Jagged Array (With Examples) - Programiz

In C#, a jagged array consists of multiple arrays as its element. However, unlike multidimensional arrays, each array inside a jagged array can be of different ... CourseIndex ExploreProgramiz Python JavaScript SQL C C++ Java Kotlin Swift C# DSA PopularTutorials C#"HelloWorld"Program OperatorsinC# C#ifStatement C#foreachLoop C#forLoop StartLearningC# LearningPaths Challenges LearnPythonInteractively TryforFree Courses BecomeaPythonMaster BecomeaCMaster BecomeaJavaMaster ViewallCourses Python JavaScript SQL C C++ Java Kotlin Swift C# DSA PopularTutorials C#"HelloWorld"Program OperatorsinC# C#ifStatement C#foreachLoop C#forLoop StartLearningC# AllC#Tutorials Python JavaScript C C++ Java Kotlin PopularExamples Addtwonumbers Checkprimenumber Findthefactorialofanumber PrinttheFibonaccisequence Checkleapyear AllPythonExamples Introduction C#HelloWorld C#Keywords&Identifiers C#Variables C#Operators C#OperatorPrecedence C#BitwiseOperators C#BasicI/O C#Expressions&Statements C#Comments FlowControl C#if...else C#switchStatement C#TernaryOperator C#forLoop C#whileLoop C#NestedLoops C#breakStatement C#continueStatement Arrays C#Arrays C#MultidimensionalArrays C#JaggedArray C#foreachLoop OOP(I) C#ClassandObjects C#Methods C#AccessModifiers C#VariableScope C#Constructors C#thisKeyword C#staticKeyword C#Strings OOP(II) C#Inheritance C#AbstractClass&Methods C#NestedClass C#PartialClass C#SealedClass C#Interface C#MethodOverloading C#ConstructorOverloading AdditionalTopics C#using C#TypeConversion C#PreprocessorDirectives C#Namespaces C#struct RelatedTopics C#MultidimensionalArray C#Arrays C#foreachloop C#StringJoin() C#thisKeyword C#StringSplit() C#JaggedArray Inthistutorial,wewilllearnabouttheC#jaggedarray.Wewilllearntodeclare,initialize,andaccessthejaggedarraywiththehelpofexamples. InC#,ajaggedarrayconsistsofmultiplearraysasitselement.However,unlikemultidimensionalarrays,eacharrayinsideajaggedarraycanbeofdifferentsizes. Beforeyoulearnaboutjaggedarray,makesuretoknowabout C#Arrays C#MultidimensionalArrays C#JaggedArrayDeclaration Here'sasyntaxtodeclareajaggedarrayinC#. dataType[][]nameOfArray=newdataType[rows][]; Let'sseeanexample, //declarejaggedarray int[][]jaggedArray=newint[2][]; Here, int-datatypeofthearray [][]-representsjaggedarray jaggedArray-nameofthejaggedarray [2][]-representsthenumberofelements(arrays)insidethejaggedarray Sinceweknoweachelementofajaggedarrayisalsoanarray,wecansetthesizeoftheindividualarray.Forexample, //setsizeofthefirstarrayas3 jaggedArray[0]=newint[3]; //setsizeofsecondarrayas2 jaggedArray[1]=newint[2]; InitializingJaggedArray Therearedifferentwaystoinitializeajaggedarray.Forexample, 1.Usingtheindexnumber Oncewedeclareajaggedarray,wecanusetheindexnumbertoinitializeit.Forexample, //initializethefirstarray jaggedArray[0][0]=1; jaggedArray[0][1]=3; jaggedArray[0][2]=5; //initializethesecondarray jaggedArray[1][0]=2; jaggedArray[1][1]=4; Here, indexatthefirstsquarebracketrepresentstheindexofthejaggedarrayelement indexatthesecondsquarebracketrepresentstheindexoftheelementinsideeachelementofthejaggedarray 2.Initializewithoutsettingsizeofarrayelements //declaringstringjaggedarray int[][]jaggedArray=newint[2][]; //initializeeacharray jaggedArray[0]=newint[]{1,3,5}; jaggedArray[1]=newint[]{2,4}; 3.InitializewhiledeclaringJaggedArray int[][]jaggedArray={ newint[]{10,20,30}, newint[]{11,22}, newint[]{88,99} }; Accessingelementsofajaggedarray Wecanaccesstheelementsofthejaggedarrayusingtheindexnumber.Forexample, //accessfirstelementofsecondarray jaggedArray[1][0]; //accesssecondelementofthesecondarray jaggedArray[1][1]; //accesssecondelementofthefirstarray jaggedArray[0][1]; Example:C#JaggedArray usingSystem; namespaceJaggedArray{ classProgram{ staticvoidMain(string[]args){ //createajaggedarray int[][]jaggedArray={ newint[]{1,3,5}, newint[]{2,4}, }; //printelementsofjaggedarray Console.WriteLine("jaggedArray[1][0]:"+jaggedArray[1][0]); Console.WriteLine("jaggedArray[1][1]:"+jaggedArray[1][1]); Console.WriteLine("jaggedArray[0][2]:"+jaggedArray[0][2]); Console.ReadLine(); } } } Output jaggedArray[1][0]:2 jaggedArray[1][1]:4 jaggedArray[0][2]:5 Here,insideajaggedarray, jaggedArray[1][0]-firstelementofthesecondarray jaggedArray[1][1]-secondelementofthesecondarray jaggedArray[0][2]-thirdelementofthefirstarray Iteratingthroughajaggedarray InC#,wecanuseloopstoiteratethrougheachelementofthejaggedarray.Forexample, usingSystem; namespaceJaggedArray{ classProgram{ staticvoidMain(string[]args){ //declareajaggedarray int[][]jaggedArray=newint[2][]; //setsizeofJaggedArrayElements jaggedArray[0]=newint[3]; jaggedArray[1]=newint[2]; //initializethefirstarray jaggedArray[0][0]=1; jaggedArray[0][1]=3; jaggedArray[0][2]=5; //initializethesecondarray jaggedArray[1][0]=2; jaggedArray[1][1]=2; //outerforloop for(inti=0;i