Creating custom tuple data type in java

Suraj Mishra

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3 min read

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Jul 21, 2022

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Originally Published in https://asyncq.com/

Introduction

• Tuple is a data structure that is designed to store heterogeneous objects.
• It’s useful when we want to store or return heterogeneous objects such as Customer objects which consist of name, age, salary, etc.
• In Java, we don’t have a tuple data structure out of the box provided by SDK, but we can use either Collection such as array or ArrayList.
• We can also create our own Tuple class to provide such features.
• Other than that we also have some libraries that support creating tuples in java.

Use Case

• Let’s say we want to create customer object that would store name , age .
  name being string while age is integer.
• Now In java if we want to store this heterogeneous data then we have few options in Java. Let’s explore them one by one.

Using List as Tuple

• We generally store list to store a particular data type such as integer , string or even custom type .
• But we can store object data type in List as well although its not recommended and can result in…