Java program to Add array elements | Sum of Array Elements in Java

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[kitishere]

Loved your teaching Sir...I wasn't able to understand arrays in my school's online class but after watching I am very confident that I will do well in my boards❤️😀🙏

[jeevanpanwar]

aapke padane ka style bahut hi achha hai sir

[UtkarshWankhedeFanpage]

public class Demo1 {
static int sum=0;
public static void main(String[] args) {
int arr[]=new int[4];
arr[0]=3;
arr[1]=5;
arr[2]=7;
arr[3]=9;
for(int o:arr) {
System.out.println(o);
}
System.out.println("Sum of Array elements ");

for (int i = 0; i < arr.length; i++) {
sum = sum+arr[i];
}
System.out.println(sum);





}
}
in my eclipse i have to make use static keyword to execute this program why ?without static its not running

[sushilaverma]

Sir agr odd array me jo number hai uska sum kaise nikalenge🙄
By the thanku sir

[marathirealfactsmrf]

Don't buy courses from this ads presenter learn from only YouTube because content on YouTube is more better then paid courses don't be fool like me😢

[ItsmeASJ]

Sir ap Software developer ya Android developer kyu nhi bnte itna kuch aya hai to

[catea]

Huh, what's this even doing? I thought you'd make something that'd add an element to a too short array. Also your code is hard to read and your variable names are meaningless