2021-04-06

package?edu.xcdq;

import?java.util.Scanner;

public?class?Demo04?{

public?static?void?main(String[]?args)?{

Scanner?scanner?=?new?Scanner(

System.in);

System.out.println("考試成績是：");

int?score?=?scanner.nextInt();

//?單獨判斷

if?(?score?==?80?)?{

System.out.println("A");

}

if?(score?<?80?&&?score?>=70?)?{

System.out.println("B");

}

if?(score?<?70?&&?score?>=60?){

System.out.println("C");

}

if?(score?<60?){

System.out.println("D");

}

//?多重if

if?(score?>=?80?){

System.out.println("A");

}else?if?(score?>=70?)?{

System.out.println("B");

}else?if?(score?>=60?)?{

System.out.println("C");

}else?{

System.out.println("D");

}

//?switch

switch?(score/10)?{

case?9:

case?8:

System.out.println("A");

break;

case?7:

System.out.println("B");

break;

case?6:

System.out.println("C");

break;

default:

System.out.println("D");

break;

}

}

}

package?edu.xcdq;

import?java.util.Scanner;

public?class?Demo04?{

public?static?void?main(String[]?args)?{

Scanner?scanner?=?new?Scanner(

System.in);

System.out.println("考試成績是：");

int?score?=?scanner.nextInt();

//?單獨判斷

if?(?score?==?80?)?{

System.out.println("A");

}

if?(score?<?80?&&?score?>=70?)?{

System.out.println("B");

}

if?(score?<?70?&&?score?>=60?){

System.out.println("C");

}

if?(score?<60?){

System.out.println("D");

}

//?多重if

if?(score?>=?80?){

System.out.println("A");

}else?if?(score?>=70?)?{

System.out.println("B");

}else?if?(score?>=60?)?{

System.out.println("C");

}else?{

System.out.println("D");

}

//?switch

switch?(score/10)?{

case?9:

case?8:

System.out.println("A");

break;

case?7:

System.out.println("B");

break;

case?6:

System.out.println("C");

break;

default:

System.out.println("D");

break;

}

}

}

最后編輯于 ：
?著作權歸作者所有,轉載或內容合作請聯系作者
平臺聲明：文章內容（如有圖片或視頻亦包括在內）由作者上傳并發布，文章內容僅代表作者本人觀點，簡書系信息發布平臺，僅提供信息存儲服務。

推薦閱讀更多精彩內容