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LAST UPDATED: NOVEMBER 24, 2020

# Java Long sum() Method

Java `sum()` method is a part of the `Long` class of the `java.lang` package. This method returns the numerical sum of the values passed as arguments (i.e simply adds the two numbers passed as argument in accordance with the + operator).

### Syntax:

``public static long sum(long a, long b)  ``

### Parameters:

The parameters passed includes the two long values whose addition is to be returned.

### Returns:

Returns the sum of the two long values passed as parameters.

## Example 1:

Here, some positive and negative numbers are taken for a better understanding of the method.

``````import java.lang.Long;

public class StudyTonight
{
public static void main(String[] args)
{
long a = 10L;
long b = 29L;
long c = -67L;

System.out.println("The sum of a and b is = " + Long.sum(a, b));  // It will return the sum of a and b
System.out.println("The sum of a and b is = " + Long.sum(b, c));  // It will return the sum of b and c

}
}``````

The sum of a and b is = 39
The sum of a and b is = -38

## Example 2:

Here is a user-defined example where anyone using this code can put a value of his choice and get the equivalent output.

``````import java.util.Scanner;

public class StudyTonight
{
public static void main(String[] args)
{
try
{
System.out.println("Enter the two values : ");
Scanner sc = new Scanner(System.in);
long a = sc.nextLong();
long b = sc.nextLong();
System.out.println("sum is = " + Long.sum(a, b));  // will return the sum of a and b.
}
catch(Exception e)
{
System.out.println("Invalid Input");
}
}
}``````

Enter the two values :
90 -55
sum is = 35
**************************
Enter the two values :
90 -534
sum is = -444

## Live Example:

Here, you can test the live code example. You can execute the example for different values, even can edit and write your examples to test the Java code.

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