All Program in Java form Starting to end

 AddAllArrayElements:-

public class AddAllArrayElements 

{

public static void main(String[] args) 

{

int[] arr= {74,784,909};

int sum=0;

for(int i=0;i<arr.length;i++)

{

sum=sum+arr[i];

}

System.out.println(sum);

}

}

AddDigitSum:-

import java.util.Scanner;

public class AddDigitSum {

public static void main(String[] args) {

Scanner scan=new Scanner(System.in);

System.out.println("Enter any Number");

int n=scan.nextInt();

int rem,sum=0;

while(n>0)

{

rem=n%10;

sum=sum+rem;

n=n/10;

}

System.out.println("Sum of digits are  "+sum);

}

}

AddElementsInArray:-

import java.util.Scanner;

public class AddElementsInArray {

public static void main(String[] args) {

Scanner sc=new Scanner(System.in);

System.out.println("Enter an arrray size");

int size=sc.nextInt();

System.out.println("Enter the elements of an array");

int array[]= new int[size];

for(int i=0;i<size;i++) {

array[i]=sc.nextInt();

}

int sum=0;

for(int i:array)

{

sum=sum+i;

}

System.out.println("sum of array elements are "+sum);

}

}

AddingTwoBinaryNumbers:-

import java.util.Scanner;

public class AddingTwoBinaryNumbers 

{

public static void main(String[] args)

{

long a,b;

int carray=0,i=0;

int sum[]=new int[10];

Scanner sc=new Scanner(System.in);

System.out.println("Enter First Binary Number");

a=sc.nextLong();

System.out.println("Enter Second Binary Number");

b=sc.nextLong();

while(a!=0 || b!=0)

{

sum[i++] = (int)((a%10+a%10+carray)%2);

carray = (int)((b%10+b%10+carray)/2);

a=a/10;

b=b/10;

}

if(carray!=0)

{

sum[i++]=carray;

}

--i;

while(i>0)

{

System.out.print(sum[i--]);

}

System.out.print("\n");  

}

}

AddNNumbers:-

import java.util.Scanner;

public class AddNNumbers 

{

public static void main(String[] args)

{

Scanner sc=new Scanner(System.in);

System.out.println("Enter How many Numbers do you want");

int num=sc.nextInt();

}

}