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Java語言程式設計(基礎篇)第十版 4.14


public class J4_14 {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		java.util.Scanner input = new java.util.Scanner(System.in);
		
		System.out.print("Enter a letter grade : ");
		String character = input.nextLine();
		
		switch(character.charAt(0)) {
		case 'A':System.out.println("The numberic value for grade"+character.charAt(0)+" is 1");break;
		case 'B':System.out.println("The numberic value for grade"+character.charAt(0)+" is 2");break;
		case 'C':System.out.println("The numberic value for grade"+character.charAt(0)+" is 3");break;
		case 'D':System.out.println("The numberic value for grade"+character.charAt(0)+" is 4");break;
		case 'E':System.out.println("The numberic value for grade"+character.charAt(0)+" is 5");break;
		default:System.out.println(character.charAt(0)+" is an invalid grade");break;
		}

	}

}