java/Switch case at main · vksudin/java · GitHub

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import java.util.Scanner;

public class Main
{
	public static void main(String[] args)
	{
	    int a=18;

        int b=6;

        Scanner sc = new Scanner(System.in);

        //float avg=sc.nextFloat();//float input

        int age=sc.nextInt();

        char grade='D';

        switch(grade)
        {
            case 'A':
                System.out.println("Your grade is very good");
                break;
                case 'B':
                    System.out.println("Very good ,keep learning:");
                    break;
                    case 'C':
                        System.out.println("Nice keep going");
                        break;
                        default:
                        System.out.println("Wrong argument");
        }
	}
}