In this tutorial, we will discuss the Java program to calculate sum in array elements
In this topic, we can learn how to calculate the sum of array elements.
This is a Java program used to create an array and calculate sum the array elements. This program refers to a one-dimensional array(array is a group of elements are referred to by single name) in Java language and explains how to find the sum of numbers in array.
class Array_Sum{
public static void main (String args[]){
int[] marks ={45,56,67,78,48,90,47,87};
//diclaration and creation array
int sum=0;//declare and initialize sum
for(int i=0; i<=7; i++){
sum=sum+marks[i];//find sum using loop
}
System.out.println("Sum of array elements:"+sum);
}//display the sum on screen
} When the above code is compiled and executed, it produces the following results
Sum of array elements:518
Program 2
This is a Java program to takes input(Array elements) from the user and used to calculate the sum of numbers in one-dimensional array.
import java.util.Scanner;
class Array_Sum1{
public static void main (String args[]){
Scanner sc=new Scanner(System.in);
int[] marks =new int[10];
//diclaration and creation array
int sum=0;//initializing sum
System.out.println("Enter the array elements");
for(int i=0; i<10; i++){
marks[i]=sc.nextInt();//get input from user
}
for(int i=0; i<10; i++){
sum=sum+marks[count];//find sum using loop
}
System.out.println("Sum of array elements:"+sum);
}//display the sum on screen
} When the above code is compiled and executed, it produces the following results
Enter the array elements 12 23 34 45 56 67 78 89 90 98 Sumof array elements: 592
Program 3
This program calculate sum of array elements using enhanced for loop
class Arraysum2{
public static void main (String args[]){
int[] array={23,45,67,54,87}; //diclaration and creation
int sum=0;
for(int count:array){
sum=sum+count;
}
System.out.println("sum of array elements is:"+sum);
}
} When the above code is compiled and executed, it produces the following results
the sum of array elements is: 276
Program 4
This program take input from user and calculate sum of array elements using enhanced for loop
import java.util.Scanner;
class Enhanced_For_Sum{
public static void main (String args[]){
Scanner scan=new Scanner(System.in);
int[] marks=new int[5];//array declaration
int sum=0;//variable declaration
System.out.print("Enter the array elements: \n");
for(int count=0; count<5; count++){ //loop iterates for take input from user
marks[count]=scan.nextInt();//take input element from user
}
for(int count:marks){ //loop for calculates sum
sum=sum+count;
}
System.out.println("sum of array elements is:"+sum);
}//display result on the screen
} When the above code is compiled and executed, it produces the following results
Enter the array elements: 54 46 56 44 50 sum of array elements is:250
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