Java Integer sum() Method

The sum() method of Java Integer class numerically returns the sum of its arguments specified by a user. This method adds two integers together as per the + operator. It can be overloaded and accepts the arguments in int, double, float and long.

Note: If both arguments of the sum() method is in negative, it will always give the result in negative.

Syntax:

Following is the declaration of sum() method:

public static int sum(int a, int b)
public static long sum(long a, long b)
public static float sum(float a, float b)
public static double sum(double a, double b)

Parameter:

DataType	Parameter	Description	Required/Optional
int	a	Numeric value entered by a user.	Required
int	b	Numeric value entered by a user.	Required

Returns:

The sum() method returns the sum of its method arguments which will be specified by a user.

Exceptions:

ArithmeticException: It throws exception when the result overflows an integer value.

Compatibility Version:

Java 1.8 and above

Example 1

public class IntegerSumExample1 {
	public static void main(String[] args) {		
	  int a = 65;
        int b = 35;
        // It will return the sum of a and b.
        System.out.println("The sum of a and b is = " + Integer.sum(a, b));
    }
}

Output:

The sum of a and b is = 100

Example 2

import java.util.Scanner;
public class IntegerSumExample2 {
	public static void main(String[] args) {
	  System.out.println("Enter the Two numbers for addtion: ");
	  Scanner readInput = new Scanner(System.in);
	  int a = readInput.nextInt();
        int b = readInput.nextInt();
        readInput.close();
        // It will return the sum of a and b.
        System.out.println("The sum of a and b is = " + Integer.sum(a, b));
    }
}

Output:

Enter the Two numbers for addtion: 
3435
2865
The sum of a and b is = 6300

Example 3

public class IntegerSumExample3 {
	public static void main(String[] args) {		
	  int a = -65;
        int b = -135;
        // It will return the sum of a and b.
        System.out.println("The sum of a and b is = " + Integer.sum(a, b));
    }
}

Output:

The sum of a and b is = -200

Example 4

import java.util.Scanner;
public class IntegerSumExample4 {
	public static void main(String[] args) {
	  Scanner readInput = new Scanner(System.in);
	  System.out.print("First Number: ");
	  float a = readInput.nextFloat();
	  System.out.print("Second Number: ");
        float b = readInput.nextFloat();
        readInput.close();
        // It will return the sum of a and b.
        System.out.print("The sum of a and b is = " + Float.sum(a, b));
    }
}

Output:

First Number: 35.55
Second Number: 75.55
The sum of a and b is = 111.10

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Java Integer sum() Method

Note: If both arguments of the sum() method is in negative, it will always give the result in negative.

Syntax:

Parameter:

Returns:

Exceptions:

Compatibility Version:

Example 1

Example 2

Example 3

Example 4

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Java Integer sum() Method

Note: If both arguments of the sum() method is in negative, it will always give the result in negative.