Best answer: How can I return two values from a function in Java?

Can we return 2 values from a function 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?

You can return multiple values by bundling those values into a dictionary, tuple, or a list. These data types let you store multiple similar values. You can extract individual values from them in your main program. Or, you can pass multiple values and separate them with commas.

How do you return two variables in Java?

In Java, there is no privilege to return two values to a function. The resolution to the problem that comes with multi-value returns can be solved by either creating a user-defined class to store the output or using built-in datatypes as Array , Pair (if only two values are there to return), HashMap and String Array .

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How can I return two values from a string in Java?

String[] arr = new String[2]; arr[0] = ans1; arr[1] = ans2; return arr; where we create a length 2 String array, assign the first value to ans1 and the second to ans2 and then return that array.

Can we return a string in Java?

There’s no problem with returning Strings in this manner. In Java, a String is a reference to an immutable object.

Is pair immutable in Java?

An immutable pair consisting of two Object elements. Although the implementation is immutable, there is no restriction on the objects that may be stored. If mutable objects are stored in the pair, then the pair itself effectively becomes mutable.

Field Summary.

Modifier and Type Field and Description
R right Right object

Can a function return multiple values justify giving example?

A function is not restricted to return a variable, it can return zero, one, two or more values. This is the default property of python to return multiple values/variables which is not available in many other programming languages like C++ or Java.

What does this function call return?

A return statement ends the execution of a function, and returns control to the calling function. Execution resumes in the calling function at the point immediately following the call. A return statement can return a value to the calling function. For more information, see Return type.

Can function return multiple values in Plsql?

But we can use OUT parameter to return multiple value from a procedure. Similarly we can also return multiple value from a function by using TABLE type object. … We can also say that collection type object can be made as TABLE type object in oracle plsql.

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What does the return function do in Java?

A return statement causes the program control to transfer back to the caller of a method. Every method in Java is declared with a return type and it is mandatory for all java methods. A return type may be a primitive type like int, float, double, a reference type or void type(returns nothing).

How do you return an Arraylist?

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. } }

How do you return a pair in Java?

Pair Class in Java

  1. Pair (K key, V value) : Creates a new pair.
  2. boolean equals() : It is used to compare two pair objects. …
  3. String toString() : This method will return the String representation of the Pair.
  4. K getKey() : It returns key for the pair.
  5. V getValue() : It returns value for the pair.

What is the return type of a method that does not return any value?

What is the return type of a method that does not return any value? Explanation: Return type of a method must be made void if it is not returning any value. 2.

How can I return two Boolean values in Java?

You can change your return type to boolean[] so that you can return 2 boolean values. “return” terminates your method and returns the value. Everything below return is not reachable. and instead of return correctDest; and return correctPiece; just return false.

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

You have to set the returned value to a variable, otherwise it is lost and you are retrieving the value of “x” in your main method. Do this instead to capture the return value. If you only want to see the returned value and not store it, you can even put the function call inside the System.

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