import java.io.IOException;
public class Exam01
{
public static void main(String[] args) throws IOException
{
int data = 0;
data = System.in.read();
System.out.println(data);
System.out.println((char)data);
}
}
[2]
import java.util.Scanner;
public class Exam01
{
public static void main(String[] args)
{
Scanner input= new Scanner(System.in);
int a , b ,c;
System .out.print("정수형 데이터 2개를 입력하세요.>>");
a = input.nextInt();
b = input.nextInt();
c=a+b;
System.out.printf("%3d+%3d = %4d" ,a , b, c);
}
}
[3]
import java.util.Scanner;
public class Exam01
{
public static void main(String[] args)
{
Scanner input= new Scanner(System.in);
double a , b ,c;
System .out.print("실수형 데이터 2개를 입력하세요.>>");
a = input.nextDouble();
b = input.nextDouble();
c=a+b;
System.out.printf("%7.2f+%7.2f = %7.2f" ,a , b, c);
}
}
shift+F2 = 라이브러리 검색.
[4]
import java.util.Scanner;
public class Exam01
{
public static void main(String[] args)
{
Scanner input= new Scanner(System.in);
String greeting , name;
System.out.print("인사말을 입력하세요. >>");
greeting = input.nextLine();
System.out.print("사람 이름을 입력하세요.>>");
name = input.nextLine();
System.out.printf("입력한내용:"+greeting+","+name);
}
}
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