JAVA - do ~ while문(2022-07-16)

1. do~while문?

예제

package loop_while;

public class Ex04 {
	public static void main(String[] args) {
		int i = 0,total = 0;
		do {
		i++;
		total+= i;
		}while(i <= 9);
		System.out.println("sum = "+ total);
		}
}

 

 

package loop_while;

import java.util.Scanner;

public class Ex05 {

	public static void main(String[] args) {
		Scanner input = new Scanner(System.in);
		int i = 0, sum = 0;
		do {
		System.out.print("수입력(1~100) : ");
		i = input.nextInt();
		if(i >= 1 && i <= 100)
			break;
		else
		System.out.println("잘못 입력, 다시");
		}while(true);
		
		for(int j = 1;j <= i; j++)
		sum += j;
		System.out.println("입력 받은 수까지의 합 : "+sum);

	

	}

}