How to return 2 values in java

Can I return two values in Java?

As per Java Language Specification, the methods in Java can return only one value at a time. So returning multiple values from a method is theoretically not possible in Java.

Can you return more than one value in Java?

You can return only one value in Java. If needed you can return multiple values using array or an object.

How can I return two values from a function?

We can return more than one values from a function by using the method called “call by address”, or “call by reference”. In the invoker function, we will use two variables to store the results, and the function will take pointer type data.

How do you return a value in Java?

You declare a method’s return type in its method declaration. Within the body of the method, you use the return statement to return the value. Any method declared void doesn’t return a value. It does not need to contain a return statement, but it may do so.

How can I return 3 values in Java?

If you are returning more than 1 value that are related, then it makes sense to encapsulate them into a class and then return an object of that class. If you want to return unrelated values, then you can use Java’s built-in container classes like Map, List, Set etc.

Can we return array in Java?

We can return an array in Java from a method in Java. Here we have a method createArray() from which we create an array dynamically by taking values from the user and return the created array.

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How do you return a value from one method to another in Java?

Returning Value From the Method :

  1. We can specify return type of the method as “Primitive Data Type” or “Class name”.
  2. Return Type can be “Void” means it does not return any value.
  3. Method can return a value by using “return” keyword.

How do you return an Arraylist in Java?

add(11); numbers. add(3); return(numbers); } } public class T{ public static void main(String[] args){ Test t = new Test(); ArrayList<Integer> arr = t. myNumbers(); // You can catch the returned integer arraylist into an arraylist. } }

Is it possible to return multiple values from a function?

Even though a function can return only one value but that value can be of pointer type. … If we want the function to return multiple values of same data types, we could return the pointer to array of that data types. We can also make the function return multiple values by using the arguments of the function.

Is it bad to have multiple return statements?

Multiple return statements in a method will cause your code not to be purely object-oriented. Here you’ll find an example where you can use a clean OOP approach instead of using multiple returns. … The answer may surprise you: In a pure object-oriented world, a method must have a single return statement and nothing else.

Can a function return multiple values justify giving example?

Return multiple values using commas

As an example, define a function that returns a string and a number as follows: Just write each value after the return , separated by commas. … For this reason, the function in the above example returns a tuple with each value as an element.

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Can a for loop return a value?

A return statement is NOT for returning a value from a loop. If you want to preserve a value from a loop, that value needs to be stored in a variable that was created before the loop was started.

What is the purpose of return in Java?

return is a reserved keyword in Java i.e, we can’t use it as an identifier. It is used to exit from a method, with or without a value. return can be used with methods in two ways: Methods returning a value : For methods that define a return type, return statement must be immediately followed by return value.

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