[java]_예제_1 ~ 100 까지의 합

1 ~ 100 까지의 합
( Example_sum from 1 to 100 )

 

public class sum_from_1_to_100 {

	public static void main(String[] args) {
		
		int sum = 0;
		
		for (int i=1; i<=100; i++)
		{	
			System.out.println(sum + " + " + i + " = " + ( sum + i ));
			sum = sum + i;
		}
		System.out.println("합계 : "+sum);
	}
}

//------------------------------------------------------------------

public class sum_from_1_to_100 {

	public static void main(String[] args) {
		
		int sum = 0;
		int i = 1;
		
		while (i <= 100) {
			
			System.out.println(sum + " + " + i + " = " + ( sum + i ));
			sum = sum + i;
			i = i + 1;
		}
		
		System.out.println("합계 : "+sum);

	}

}