Question

How to declare, initialize and print one-dimensional array of integers in Java

Answer 1

package javaapplication1;

public class Example {
    
    public static void main(String[] args) {
               
        int arr[] = new int[]{2, 234, 48, 17, 98, 918, 800, 12237, 100, 28};
                
        for (int i = 0; i < arr.length; i++)
            System.out.println("arr[" + i + "] = " + arr[i]);
    }
}
   
   
/*
run:

arr[0] = 2
arr[1] = 234
arr[2] = 48
arr[3] = 17
arr[4] = 98
arr[5] = 918
arr[6] = 800
arr[7] = 12237
arr[8] = 100
arr[9] = 28
    
*/

 

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Answer 2

package javaapplication1;

public class Example {
    
    public static void main(String[] args) {
               
        int arr[] = new int[10];
                
        for (int i = 0; i < 10; i++)
            arr[i] = i + 1;
        
        for (int i = 0; i < 10; i++)
            System.out.println("arr[" + i + "] = " + arr[i]);
    }
}
   
   
/*
run:

arr[0] = 1
arr[1] = 2
arr[2] = 3
arr[3] = 4
arr[4] = 5
arr[5] = 6
arr[6] = 7
arr[7] = 8
arr[8] = 9
arr[9] = 10
    
*/

 

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