Can a method return two values?

Can a method return two values?

7 Answers. You can’t return two values. However, you can return a single value that is a struct that contains two values. You can return only one thing from a function.

How do you input multiple numbers in Java?

MultipleStringInputExample1.java

  1. import java.util.Scanner;
  2. public class MultipleStringInputExample1.
  3. {
  4. public static void main(String[] args)
  5. {
  6. Scanner sc = new Scanner(System.in);
  7. System.out.print(“Please enter the number of strings you want to enter: “);
  8. //takes an integer input.

Can a method have two return types in Java?

No. Java methods can only return one result ( void , a primitive, or an object), and creating a struct -type class like this is exactly how you do it.

How do you read multiple integers in Java?

To do this, we could read in the user’s input String by wrapping an InputStreamReader object in a BufferedReader object. Then, we use the readLine() method of the BufferedReader to read the input String – say, two integers separated by a space character. These can be parsed into two separate Strings using the String.

What is the method of returning multiple 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 can I return multiple values?

We can use following solutions to return multiple values.

  1. If all returned elements are of same type.
  2. If returned elements are of different types.
  3. Using Pair (If there are only two returned values) We can use Pair in Java to return two values.
  4. If there are more than two returned values.
  5. Returning list of Object Class.

What is nextLine method in Java?

nextLine() The nextLine() method of the java. util. Scanner class scans from the current position until it finds a line separator delimiter. The method returns the String from the current position to the end of the line.

What is Scanner hasNext ()?

The hasNext() method checks if the Scanner has another token in its input. A Scanner breaks its input into tokens using a delimiter pattern, which matches whitespace by default. That is, hasNext() checks the input and returns true if it has another non-whitespace character.

Can a method have multiple return types?

As per the 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.

How do you add multiple values to a list in Java?

Add Multiple Items to an Java ArrayList

  1. List anotherList = Arrays. asList(5, 12, 9, 3, 15, 88); list.
  2. List list = new ArrayList<>(); Collections. addAll(list, 1, 2, 3, 4, 5);
  3. List list = new ArrayList<>(); Integer[] otherList = new Integer[] {1, 2, 3, 4, 5}; Collections.

Can function return multiple values in Plsql?

A pl/sql function can return multiple values by using the pipe row or we call it as PIPELINED FUNCTIONS. Basic data types can be used to return single value.

Can lambda function return multiple values?

You cannot write multiple statements in the body of a lambda function. 4. We call the function and print the returned value.

How to read multiple integer values from a single line?

There is more than one way to do that but simple one is using String.split (” “) this is a method of String class that separate words by a spacial character (s) like ” ” (space) All we need to do is save this word in an Array of Strings. Warning : you have to use scan.nextLine (); other ways its not going to work (Do not use scan.next ();

Is it possible to multiply and divide two integers?

Integers are positive or negative whole numbers without a decimal or fractional component. Multiplying and dividing two or more integers is not very different from multiplying and dividing basic whole numbers.

How to parse a string into an int?

You’re probably looking for String.split (String regex). Use ” ” for your regex. This will give you an array of strings that you can parse individually into ints. Better get the whole line as a string and then use StringTokenizer to get the numbers (using space as delimiter ) and then parse them as integers .

Which is an integer that is a whole number?

An integer is any whole number that can be represented without using a fraction or decimal. Integers can be positive, negative, or zero. For instance, the following numbers are integers: 1, 99, -217, and 0. However, these numbers are not: -10.4, 6 ¾, 2.1 2 .