Java One-Dimensional Array Program
This article covers a simple program on a one- or single-dimensional array in Java. The program given below allows the user to define the size of the array along with its
elements.
To print a one-dimensional array in Java, you need to use only one for loop, as shown in the following program.
import java.util.Scanner;
public class CodesCracker
{
public static void main(String[] args)
{
int n, i;
Scanner scan = new Scanner(System.in);
System.out.print("How many elements to store in array ? ");
n = scan.nextInt();
int[] arr = new int[n];
System.out.print("Enter " +n+ " elements: ");
for(i=0; i<n; i++)
arr[i] = scan.nextInt();
System.out.println("\nThe Array is: ");
for(i=0; i<n; i++)
System.out.print(arr[i]+ " ");
}
}
The snapshot given below shows the sample run of the above program, with user input 6 as size and 10, 20, 40, 50, 60, and 100 as six elements for the array:
Following is another example that demonstrates the one-dimensional array in Java. I used a few comments in this program to explain the main codes used in the following
program:
Java Code
import java.util.Scanner;
public class ArrayDemo {
public static void main(String[] args) {
// Create a Scanner object to read user input
Scanner scan = new Scanner(System.in);
// Ask the user to enter the size of the array
System.out.print("Enter the size of the array: ");
int size = scan.nextInt();
// Create an integer array of the specified size
int[] myArray = new int[size];
// Ask the user to enter the elements of the array
System.out.println("Enter " + size + " integers:");
for (int i = 0; i < size; i++) {
myArray[i] = scan.nextInt();
}
// Print the elements of the array to the console
System.out.println("The elements of the array are:");
for (int i = 0; i < size; i++) {
System.out.print(myArray[i] + " ");
}
}
}Output
Enter the size of the array: 3
Enter 3 integers:
1
2
3
The elements of the array are:
1 2 3
Same Program in Other Languages
Java Online Test
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