nums.add, aby dodać numer do tablicy w próbce Java
package week8;
import java.util.ArrayList;
import java.util.Scanner;
public class ArrayListSum {
public static int sumValues(ArrayList<Integer> nums) {
int sum = 0;
for(int i = 0; i < nums.size(); i++)
{
}
return sum;
}
static int total;
public static void main(String args[]) {
//create an array list
ArrayList <Integer> nums=new ArrayList<>();
sumValues(nums);
String input= "";
Scanner in = new Scanner (System.in);
System.out.println("This program will ask the user to enter a series of numbers.");
System.out.println("The user may enter as many numbers as they wish, hitting the enter key with no data when they wish to stop.");
System.out.println("The program will then display the array of numbers and the sum total of those numbers.");
System.out.println();
String s = new String();
for(int i=0;i<5;i++) {
//game loop
boolean game= false;{
//start of do-while loop- user's input
do {
boolean Num1 = false;
do {
System.out.println ("Please enter a number (or just hit enter to finish):");
input = in.nextLine();
try {
num1 = Integer.parseInt(input);
valid = true;
}catch (Exception e) {
System.out.println("Invalid Response! Please enter a whole number.");
}
} while (!Num1);
}while (!valid);
int main() {
int i=0
while (true){
cout<<"Input x:";
cin>> x;
cout<<"Value of x:"<<x<<endl;
if ((x % 5 == 0)
break;
}
} while (!game);
} while (!game);
}
for(int j=0;j<nums.size();j++);
int j = 0;
total+=nums.get(j);
System.out.println("the sum is" +total);
}in.close();
}
}
Kristel Enriquez