import java.util.Scanner;public class test{
public static void main(String args[]){
int a,b,c=12;
try{
Scanner input=new Scanner(System.in);
System.out.println("请输入除数");
b=input.nextInt();
a=c/b;
}
catch(ArithmeticException e){
System.out.println("除数不能为0");
}
finally {
System.out.println(a);
}
}
}
public static void main(String args[]){
int a,b,c=12;
try{
Scanner input=new Scanner(System.in);
System.out.println("请输入除数");
b=input.nextInt();
a=c/b;
}
catch(ArithmeticException e){
System.out.println("除数不能为0");
}
finally {
System.out.println(a);
}
}
}
可以把这行代码移到main方法上面去。
public static void main(String args[]){
int a=0,b,c=12;
try{
Scanner input=new Scanner(System.in);
System.out.println("请输入除数");
b=input.nextInt();
a=c/b;
}
catch(ArithmeticException e){
System.out.println("除数不能为0");
}
finally {
System.out.println(a);
}
}
}