๊ณ„๋ž€์†Œ๋…„ 2023. 7. 4. 17:56
public class _05_For {
    public static void main(String[] args) {
        //๋ฐ˜๋ณต๋ฌธ FOR
        System.out.println("์–ด์„œ์˜ค์„ธ์š”. ๋‚˜์ฝ”์ž…๋‹ˆ๋‹ค");

        for (int i =0;i<10;i++){
            //System.out.println("์–ด์„œ์˜ค์„ธ์š”. ๋‚˜์ฝ”์ž…๋‹ˆ๋‹ค. "+i);
            System.out.println("ํ™˜์˜ํ•ฉ๋‹ˆ๋‹ค. ๋‚˜์ฝ”์ž…๋‹ˆ๋‹ค. "+i);
        }

        //์ง์ˆ˜๋งŒ ์ถœ๋ ฅ(for i ๋งŒ ์ ๊ณ  ์—”ํ„ฐ)
        //0, 2, 4, 6, 8
        for (int i =0; i<10 ; i += 2){
            System.out.print(i);
        }

        System.out.println();

        //ํ™€์ˆ˜๋งŒ ์ถœ๋ ฅ(for i ๋งŒ ์ ๊ณ  ์—”ํ„ฐ)
        //1, 3, 5, 7, 9
        for (int i =1; i<10 ; i += 2){
            System.out.print(i);
        }

        //๊ฑฐ๊พธ๋กœ ์ˆซ์ž
        //5, 4, 3, 2, 1
        for (int i =5; i>0 ; i--){
            System.out.print(i);
        }

        //1๋ถ€ํ„ฐ 10๊นŒ์ง€์˜ ์ˆ˜๋“ค์˜ ํ•ฉ
        //1 + 2 + 3 + .... + 10 = 55
        int sum = 0;
        for (int i=1; i<=10; i++){
            sum += i;
            System.out.println("ํ˜„์žฌ ๊นŒ์ง€ ์ดํ•ฉ์€ " + sum);
        }
        System.out.println("1๋ถ€ํ„ฐ 10๊นŒ์ง€ ์ดํ•ฉ์€ " + sum);
    }

}