๋ฐฑ์ค€

Output Input import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); String id = in.next(); System.out.println(id + "??!"); } } ์•ž์„œ ํ’€์—ˆ๋˜ ๊ฒƒ๊ณผ ๋น„์Šทํ•œ๋ฐ ์ด๋ฒˆ์—” ๋ฌธ์ž๋ฅผ ์ž…๋ ฅ๋ฐ›์•„ ์ถœ๋ ฅํ•œ๋‹ค๋Š” ์ ์ด๋‹ค.
Output Input 1 - ๊ฐ„๋‹จ import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); int A = in.nextInt(); int B = in.nextInt(); in.close(); //๋‹ซ์•„์ค˜์•ผ ๋ถˆํ•„์š”ํ•œ ๋ฉ”๋ชจ๋ฆฌ ์‚ฌ์šฉ์„ ์ค„์ผ ์ˆ˜ ์žˆ๋‹ค. System.out.println(A + B); System.out.println(A - B); System.out.println(A * B); System.out.println(A / B); System.out.println(A % B); } } Input 2 - ํด๋ž˜์Šค, ์ธ์Šคํ„ด์Šค, (์ฝ”๋“œ ์ •๋ฆฌ) i..
Output Input import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); double A = in.nextdouble(); double B = in.nextdouble(); System.out.println(A/B); } } 1. int์™€ double ์ž์‹ ์žˆ๊ฒŒ ์ ๊ณ  ์‹คํ–‰์‹œ์ผฐ๋Š”๋ฐ 0.33333์ด ์•„๋‹Œ 0์ด ๋‚˜์™”๋‹ค. ๋ญ์ง€? ๋ณด๋‹ˆ๊นŒ int๋กœ ์ ์—ˆ๋‹ค. ์†Œ์ˆ˜์ ์ด ๋‚˜์˜ค๋ ค๋ฉด double์„ ์ ์–ด์•ผ ํ–ˆ๋‹ค. ์‹ค์ˆ˜๋„ ์‹ค๋ ฅ์ด๋‹ค. ๋ฐ˜์„ฑํ•˜์ž !!!!!!!!
Output Input import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); int A = in.nextInt(); int B = in.nextInt(); System.out.println(A * B); } } ์•ž์„œ ํ’€์—ˆ๋˜ 1000๋ฒˆ & 1001๋ฒˆ๊ณผ ๊ฐ™์€ ์œ ํ˜•์˜ ๋ฌธ์ œ์ด๋‹ค. ์‚ฌ์น™์—ฐ์‚ฐ๋งŒ ๋‹ฌ๋ผ์ง€๋Š” ๊ฒƒ์ผ ๋ฟ. Scanner๊ฐ€ ์ƒ๊ฐ ์•ˆ ๋‚  ๊ฒƒ ๊ฐ™์•˜๋Š”๋ฐ ์˜์™ธ๋กœ ๋นจ๋ฆฌ ์ƒ๊ฐ๋‚ฌ์Œ.
๊ฐ•ํ•œ์นœ๊ตฌ ๋Œ€ํ•œ์œก๊ตฐ ๊ฐ•ํ•œ์นœ๊ตฌ ๋Œ€ํ•œ์œก๊ตฐ public class Main { public static void main(String[] args) { String kriiicheerup = "๊ฐ•ํ•œ์นœ๊ตฌ ๋Œ€ํ•œ์œก๊ตฐ"; System.out.println(kriiicheerup); System.out.println(kriiicheerup); } } [์—๋Ÿฌ ์›์ธ] 1. public class Main { public static void main(String[] args) { String kriiicheerup = "๊ฐ•ํ•œ์นœ๊ตฌ ๋Œ€ํ•œ์œก๊ตฐ" System.out.println(kriiicheerup); System.out.println(kriiicheerup); } } ๊นœ๋นกํ•˜๊ณ  ๋ณ€์ˆ˜ ์ฝ”๋“œ์— ์„ธ๋ฏธ์ฝœ๋ก ์„ ์•ˆ์ฐ์—ˆ๋‹ค. ์‹ค์ˆ˜๋„ ์‹ค๋ ฅ์ด๋‹ค..
๋ฌธ์ œ Hello World! ๋ฅผ ์ถœ๋ ฅํ•˜์‹œ์˜ค. public class Main { public static void main(String[] args) { System.out.println("Hello World!"); } } Hello World! ์ด ๊ฐ„๋‹จํ•˜๊ณ ๋„ ๊ธฐ์ดˆ์ ์ธ ๋ฌธ์ œ๋ฅผ 6๋ฒˆ์ด๋‚˜ ํ‹€๋ ธ๋‹ค. [์˜ค๋‹ต ์›์ธ] 1. ์–ธ์–ด : C++ 2. system.out.println("Hello World!"); ๋งŒ ์ ์–ด์„œ 3. public class helloworld { -> ๋‚ด ๋ฉ‹๋Œ€๋กœ class ์ด๋ฆ„ ์ง€์ •ํ•ด์„œ 4. 3๋ฒˆ๊ณผ ๊ฐ™๋‹ค. ์ด๊ฒŒ ์™œ ํ‹€๋ฆฐ๊ฑฐ์ง€? ์‹ถ์–ด์„œ ๋‹ค์‹œ ํ…Œ์ŠคํŠธํ•ด๋ด„ 5. public class helloworld { -> ๋‹ค์‹œ ํ…Œ์ŠคํŠธํ–ˆ์ง€๋งŒ ์˜ค๋‹ต //์˜ค๋ฅ˜ ๋‚ด์šฉ Main.java:1: error: '{' exp..
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