자바(Java) 기초 문제 1 : 백준 2557, 백준 1000, 백준 11718, 백준 10430

public class Main {
    public static void main(String args[]) {

      System.out.println("Hello World!");
    }
}

(출처 : https://www.acmicpc.net/problem/2557)

import java.util.Scanner;

public class Main {
public static void main(String args[]) {
    int A,B,addresult;
    Scanner scn=new Scanner(System.in);
    A=scn.nextInt();
    B=scn.nextInt();
    
    addresult=A+B;
    System.out.println(addresult);
}
}

(출처 : https://www.acmicpc.net/problem/1000)

import java.util.Scanner;

public class Main {
public static void main(String args[]) {
    Scanner sc=new Scanner(System.in);
    
    while(sc.hasNext()) 
    {System.out.println(sc.nextLine());
    }
}
}

(출처 : https://www.acmicpc.net/problem/11718)

import java.util.Scanner;

public class Main {
public static void main(String args[]) {
    Scanner scn=new Scanner(System.in);
    
    int A=scn.nextInt();
    int B=scn.nextInt();
    int C=scn.nextInt();
    
    System.out.println((A+B)%C);
    System.out.println((A%C+B%C)%C); 
    System.out.println((A*B)%C);
    System.out.println((A%C*B%C)%C);

}
}

(출처 : https://www.acmicpc.net/problem/10430)