Java Stream API — Even Numbers (Full Screen) Java Stream API — Get Even Numbers Example 1 — Filter even numbers from a list Creates a list, uses Stream to filter evens, and prints them. Copy import java.util.*; import java.util.stream.*; public class EvenNumbersStream { public static void main(String[] args) { // Create a list of numbers List<Integer> numbers = Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9, 10); // Use Stream API to filter even numbers List<Integer> evenNumbers = numbers.stream() .filter(n -> n % 2 == 0) .collect(Collectors.toList()); // Print the even numbers System.out.println( "Even numbers: " + evenNumbers); } } Example 2 — Use IntStream.rangeClosed ...
In this C-program we will make a calculator.
input:
Your choice of calculation(i.e : multiplication,division etc.) and the numbers you want to calculate.output:
The Calculator made by you with the result you calculated.
CODE---->
#include<stdio.h>
#include<stdlib.h>
int main()
{
float a[50],b,d,sum=0.0,sub,mul=1.0,div;
int k,n,i;
printf("***********Welcome to calculator************\n\n");
printf("Please, choose any operation:\n");
printf("1.Sum\n2.Subtraction\n3.Multiplication\n4.Division\n5.Exit\nYour choice: ");
scanf("%d",&n);
switch(n)
{
case 1:
printf("\nPlease, Enter how many numbers you want to add: ");
scanf("%d",&k);
printf("\nPlease, Enter numbers:\n");
for(i=1;i<=k;i++)
{
scanf("%f",&a[i]);
sum=sum+a[i];
}
printf("\nThe sum of the numbers is: %f",sum);
break;
case 2:
printf("\nPlease, Enter the 1st number: ");
scanf("%f",&b);
printf("Please, Enter the 2nd number: ");
scanf("%f",&d);
sub=b-d;
printf("\nThe subtraction result is: %f",sub);
break;
case 3:
printf("\nPlease, Enter how many numbers you want to multiply: \n");
scanf("%d",&k);
printf("\nPlease, Enter numbers:\n");
for(i=1;i<=k;i++)
scanf("%f",&a[i]);
for(i=1;i<=k;i++)
mul=mul*a[i];
printf("\nThe multiplication of the numbers is: %f",mul);
break;
case 4:
printf("\nPlease, Enter the 1st number: ");
scanf("%f",&b);
printf("\nPlease, Enter the 2nd number: ");
scanf("%f",&d);
div=b/d;
printf("\nThe division result is: %f",div);
break;
case 5:
exit(0);
default: printf("SORRY, Wrong choice !!!");
}
return 0;
}
Download the C-Program file of this Program.
RESULT:
set 1 ***********Welcome to calculator************ Please, choose any operation: 1.Sum 2.Subtraction 3.Multiplication 4.Division 5.Exit Your choice: 1 Please, Enter how many numbers you want to add: 6 Please, Enter numbers: 19 436 90.84 1.3 74 -9 The sum of the numbers is: 612.139954 -------------------------------- Process exited after 28.39 seconds with return value 0 Press any key to continue . . .
set 2 ***********Welcome to calculator************ Please, choose any operation: 1.Sum 2.Subtraction 3.Multiplication 4.Division 5.Exit Your choice: 2 Please, Enter the 1st number: 190 Please, Enter the 2nd number: 9.876 The subtraction result is: 180.123993 -------------------------------- Process exited after 12.52 seconds with return value 0 Press any key to continue . . .
set 3 ***********Welcome to calculator************ Please, choose any operation: 1.Sum 2.Subtraction 3.Multiplication 4.Division 5.Exit Your choice: 3 Please, Enter how many numbers you want to multiply: 5 Please, Enter numbers: 1 2 3 4 5 The multiplication of the numbers is: 120.000000 -------------------------------- Process exited after 10.52 seconds with return value 0 Press any key to continue . . .
set 4 ***********Welcome to calculator************ Please, choose any operation: 1.Sum 2.Subtraction 3.Multiplication 4.Division 5.Exit Your choice: 4 Please, Enter the 1st number: 198 Please, Enter the 2nd number: 3 The division result is: 66.000000 -------------------------------- Process exited after 12.9 seconds with return value 0 Press any key to continue . . .
Images for better understanding:
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