用java编写异常

发布网友发布时间：2022-07-13 17:10

共2个回答

热心网友时间：2023-11-07 14:06

public class NoOprandException{
String a;

String b;

public NoOprandException(String a,String b){
this.a=a;
this.b=b;
}

public String errorException(){
if((a==null&&a.equals(""))&&(b==null&&b.equals(""))){
return "NoOprand错误!";
}

return;

}

}

public class OnlyOneException{
String a;

String b;

public OnlyOneException(String a,String b){
this.a=a;
this.b=b;
}

public String errorException(){
if((a==null&&a.equals(""))||(b==null&&b.equals(""))){
return "OnlyOne错误!";
}

return;

}

}

public class a{
public static void main(String[] args){
Scanner scan1=new Scanner(System.in);

Scanner scan2=new Scanner(System.in);

String line1=scan1.nextLine();

String line2=scan2.nextLine();
try{
throw new OnlyOneException(line1,line2);

}catch(OnlyOneException e){
System.out.print(e);

System.out.exit(0);

}

try{
throw new NoOprandException(line1,line2);
}catch(NoOprandException e){
System.out.print(e);

System.out.exit(0);

}
}

}

热心网友时间：2023-11-07 14:06

题目描述不清，无法解答。