Java面向对象选择题总结归纳

public class MultiCatch  {
  public static void main(String args[]){
    try{
      int a=args.length;
      int b=42/a;    //10行
      int c[]={1};
      c[42]=99;
      System.out.println("b="+b);
    }catch(ArithmeticException e){           
      System.out.println("除0异常："+e);       // 15行
    }catch(ArrayIndexOutOfBoundsException e) {
      System.out.println("数组超越边界异常："+e);   // 19行
    }
  }
}

public static int divide(){
    int i = 3;
    try {
      int a = 10/0;
      return i;
    } catch (Exception e) {
      i = 4;
      return i;
    }finally{
      i = 5;
    }
  }

public class MultiCatch  {
public static void main(String args[]){
try{
。。。。此处省略
}catch(ArithmeticException e){       //子类异常    
System.out.println("除0异常："+e);       
}catch(Exception e) {
System.out.println("异常："+e);   //父类异常
}
}
}

public class MultiCatch  {
public static void main(String args[]){
try{
。。。。此处省略
}catch(Exception e){       //父类异常    
System.out.println("异常："+e);       
}catch(ArithmeticException e) {
System.out.println("除0异常："+e);   //子类异常
}
}
}