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;
}
}
}