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  ๋ช ํ ์๋ฐ ํ๋ก๊ทธ๋๋ฐ 2์ฅ 80์ชฝ ์ฒดํฌ ํ์_์ ๋ต
luxury java programming ch2 p80 check time correct answer
1๋ฒ
๋ต: import java.util.Scanner;
// ๋ค๋ฅธ ํจํค์ง์ ์๋ ํด๋์ค๋ฅผ ์ฌ์ฉํ๊ธฐ ์ํด์ ์ปดํ์ผ๋ฌ์๊ฒ ๊ฒฝ๋ก๋ช ์ ์๋ ค์ฃผ๋ import๋ฌธ์ ์ ์ธํด์ผํ๋ค.
2๋ฒ
๋ต:
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 import java.util.Scanner;                               // ๋ค๋ฅธ ํจํค์ง์ ์๋ Scanner ํด๋์ค ์ฌ์ฉํ๊ธฐ ์ํด ์ปดํ์ผ๋ฌ์๊ฒ ๊ฒฝ๋ก๋ช
 ์๋ ค์ค 
public class P80_2 {                                    // P80_2 ํด๋์ค ์ ์ ์์ 
    public static void main(String[] args) {            // main() ๋ฉ์๋ ์ ์ ์์ 
        Scanner scanner = new Scanner(System.in);       // Scanner ํด๋์คํ ๋ณ์ scanner ์ ์ธ ๋์์ Scanner ๊ฐ์ฒด ์์ฑํ์ฌ ๋์
ํ์ฌ ์ด๊ธฐํ 
        // ๋ณ์ ์ ์ธ ๋ฐ ์ด๊ธฐํ 
        int num1, num2, sum = 0;                        // intํ ๋ณ์ num1, num2, sum ์ ์ธ ๋์์ 0 ๋์
ํ์ฌ ์ด๊ธฐํ 
        // ๊ฐ ๋์
 
        System.out.print("2๊ฐ์ ์ ์๋ฅผ ์
๋ ฅํ์ธ์. >> ");   // ํ์ค ์ถ๋ ฅ ๋ฉ์๋ System.out.print() ๋ฉ์๋ ํธ์ถํ์ฌ ๋ฌธ์์ด "2๊ฐ์ ์ ์๋ฅผ ์
๋ ฅํ์ธ์. >> " ์ถ๋ ฅ 
        num1 = scanner.nextInt();                       // ๋ณ์ num1์ scanner ๊ฐ์ฒด nextInt() ๋ฉ์๋ ํธ์ถํ์ฌ ์ฌ์ฉ์๋ก ๋ถํฐ ์
๋ ฅ ๋ฐ์ ์ ์ ๋ฆฌํด ๋ฐ์ ๋์
ํ์ฌ ์ด๊ธฐํ 
        num2 = scanner.nextInt();                       // ๋ณ์ num2์ scanner ๊ฐ์ฒด nextInt() ๋ฉ์๋ ํธ์ถํ์ฌ ์ฌ์ฉ์๋ก ๋ถํฐ ์
๋ ฅ ๋ฐ์ ์ ์ ๋ฆฌํด ๋ฐ์ ๋์
ํ์ฌ ์ด๊ธฐํ 
        // ์ฐ์ฐ 
        sum = num1 + num2;                              // ๋ณ์ sum์ num1 + num2 ์ฐ์ฐ ๊ฒฐ๊ณผ ๋์
 
        // ๊ฒฐ๊ณผ ์ถ๋ ฅ 
        System.out.println("์
๋ ฅ๋ 2๊ฐ์ ์ ์์ ํฉ์ " + sum); // ํ์ค ์ถ๋ ฅ ๋ฉ์๋ System.out.print() ๋ฉ์๋ ํธ์ถํ์ฌ ๋ฌธ์์ด "์
๋ ฅ๋ 2๊ฐ์ ์ ์์ ํฉ์ " + sum ์ถ๋ ฅ 
        scanner.close();                                // scanner ๊ฐ์ฒด์ close() ๋ฉ์๋ ํธ์ถํ์ฌ ์ฌ์ฉ์ข
๋ฃ 
    }                                                   // main() ๋ฉ์๋ ์ ์ ๋ 
}                                                       // P80_2 ํด๋์ค ์ ์ ๋ 
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cs | 
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