Addition of two numbers in Java using method

addition of two numbers in Java using methods

In this tutorial, we will discuss the addition of two numbers in Java using the Java method.

In this topic, we will learn a simple concept of how to add two number in Java programming language using the Java method.

already we will know the same concept using the operator in a simple way.

if you known click here Java program to sum of two numbers

This program has following procedures to completion

• class and main method
• get input from user – using Scanner class
• method definition – user-define method
• calling the method
• Display method on the screen

 

Calculate the total value of the two integer number

Calculate the total value of two integer number using the method

import java.util.Scanner;
public class SumOfNum{

public static void main(String args[]){

Scanner sc=new Scanner(System.in);
// create scanner object

System.out.print("Enter the first number: ");

int num1=sc.nextInt();
//this method reads value for num1 providing by user

System.out.print("Enter the second number: ");

int num2=sc.nextInt();
//this method reads value for num2 providing by user

sc.close();//closing the scanner class

sumNum(num1,num2); //calling the method
}
//sum method
public static void sumNum(int num_A,int num_B){
int sum=0;
sum=num_A+num_B;
System.out.println("Sum of two numbers  "+sum);

}
}

When the above code is compiled and executed, it produces the following results

Enter the first number: 45 
Enter the second number: 32 
Sum of two numbers 77

 

Program 2

Calculate total value of two integer number using the method with the return value

import java.util.Scanner;
public class SumOfNumbur{

public static void main(String args[]){

Scanner sc=new Scanner(System.in);
// create scanner object

System.out.print("Enter the first number: ");

int num1=sc.nextInt();
//this method reads value for num1 providing by user

System.out.print("Enter the second number: ");

int num2=sc.nextInt();
//this method reads value for num2 providing by user

sc.close();//closing the scanner class

int Total=calcTotal(num1,num2); //calling the method
System.out.println("Sum of two numbers  "+Total);
}
//calcTotal method
public static int calcTotal(int x,int y){
int result=x+y;
return result;//return result to main


}
}

When the above code is compiled and executed, it produces the following results

Enter the first number: 55
Enter the second number: 65
Sum of two numbers  120

In this program, we can denoted some impotent steps to completed this program

• class and main method
• get input from user – using Scanner class
• method definition – user-define method
• calling the method
• return value to main method

 

Calculate total value of two floating point number

Calculate the total value of the two floating point number using the method

import java.util.Scanner;
public class SumOfNum1{

public static void main(String args[]){

Scanner sc=new Scanner(System.in);
// create scanner object

System.out.print("Enter the first number: ");

double num1=sc.nextDouble();
//this method reads value for num1 providing by user

System.out.print("Enter the second number: ");

double num2=sc.nextDouble();
//this method reads value for num2 providing by user

sc.close();//closing the scanner class

calcTotal(num1,num2); //calling the method

}
//calcTotal method
public static void calcTotal(double num_A,double num_B){
double result;
result=num_A+num_B;
System.out.println("Sum of two numbers  "+result);

}
}

When the above code is compiled and executed, it produces the following results

Enter the first number: 34.23
Enter the second number: 32.54
Sum of two numbers  66.77

 

 

 

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