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Write a program to concatenate string using for Loop

/*Example
:
Input - 5

Output - 1 2 3 4 5 */
class Join {

    public static void main(String args[]) {
        int num = Integer.parseInt(args[0]);
        String result = " ";
        for (int i = 1; i <= num; i++) {
            result = result + i + " ";
        }
        System.out.println(result);
    }
}

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