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  3. Exception Handling
  4. Java Exception Handling
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Java Exception Handling

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  • tientvfx20270
     + 0 comments

    import java.util.Scanner; class MyCalculator { /* * Create the method long power(int, int) here. */ public long power(int n, int p) throws Exception{ if (n==0 && p ==0) {throw new Exception ("n and p should not be zero."); } else if(n<0 || p<0) {throw new Exception ("n or p should not be negative."); } else return (long)Math.pow(n, p);

    }

    }

    // Tac dung cua hasNext() trong Scanner: giup cho method power khong tu dong thoat // khi con dang nhap du lieu tiep theo

    // Neu khong co hasNext() thi chi chay duoc method power voi chi mot lan nhap du lieu public class Solution { public static final MyCalculator my_calculator = new MyCalculator(); public static final Scanner in = new Scanner(System.in);

    public static void main(String[] args) {
    while (in .hasNextInt()) {
        int n = in .nextInt();
        int p = in .nextInt();

        try {
            System.out.println(my_calculator.power(n, p));
        } catch (Exception e) {
            System.out.println(e);
        }
    }
}

    }

  • maninder_singh21
     + 0 comments
    class MyCalculator{
    public long power (int n, int p) throws Exception{
        
        if(n==0 && p==0){
            throw new Exception("n and p should not be zero.");
        }else if(n<0 || p<0){
            throw new Exception("n or p should not be negative.");
        }else return (long)Math.pow(n,p);
        }

    }

  • n4m774r_d
     + 0 comments
    class MyCalculator {
    public long power(int N,int P) throws Exception {
        if (N ==0&&P==0) throw new Exception("n and p should not be zero.");
        if (N<0||P<0) throw new Exception("n or p should not be negative.");
        int pw = 1;
        for (int i = 0; i < P; i++) pw *= N;
        return pw;
    }
    
}

  • gracelyganta
     + 0 comments
    import java.util.Scanner;
import java.math.*;
class MyCalculator {
    /*
    * Create the method long power(int, int) here.
    */
  
    public static long power(int a,int b) throws Exception{
        long la = a;
        long lb = b;
             long c = (long)Math.pow(la,lb);
             if(la==0 && lb==0)  {
                 throw new Exception("n and p should not be zero.");

             }
             else if(la<0 || lb <0) {
             throw new Exception("n or p should not be negative.");
             
             }
             else
             return c;
      
    }
   
  
}

public class Solution {
    public static final MyCalculator my_calculator = new MyCalculator();
    public static final Scanner in = new Scanner(System.in);
    
    public static void main(String[] args) {
        while (in .hasNextInt()) {
            int n = in .nextInt();
            int p = in .nextInt();
            
            try {
                System.out.println(my_calculator.power(n, p));
            } catch (Exception e) {
                System.out.println(e);
            }
        }
    }
}

  • andymegowan
     + 0 comments

    There is an error in the problem description.

    If either or is negative, then the method must throw an exception which says "n or p should not be negative".

    The period should be inside the double-quotes.