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Nested Lists in APEX

Nested Lists in APEX

What You’ll Learn

What are Nested Lists in Apex?What are Nested Lists in Apex?

Syntax of using a Nested List or Multidimentional List(2D or 3D) in ApexSyntax of using a Nested List or Multidimentional List(2D or 3D) in Apex

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Nested Lists In Apex

Nested Lists in Apex can be multidimensional also:

1. 2-Dimensional:

List<List<Datatype>> nestList = new List<List<Datatype>>();

2. 3-Dimensional:

List<List<List<Datatype>>> nestList = new List<List<List<Datatype>>>();

Note:

SOQL queries also return a list of records. 

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