Id is Not Nagative And Name Is Only A to Z And Price is 0 to 9 Value Allow Exception
import java.io.*;
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import java.util.*;
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class NonNegId extends Exception
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{
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String msg;
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NonNegId(String m)
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{
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this.msg = m;
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}
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public String toString()
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{
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return this.msg;
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}
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}
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class Bname extends Exception
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{
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String bnm;
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Bname(String nm)
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{
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this.bnm = nm;
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}
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public String toString()
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{
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return this.bnm;
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}
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}
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class PrOnly extends Exception
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{
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String str;
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PrOnly(String s)
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{
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this.str = s;
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}
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public String toString()
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{
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return this.str;
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}
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}
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class Book
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{
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int bid;
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String bname;
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double bprice;
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Book(int no,String nm,double pr) throws NonNegId,PrOnly,Bname
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{
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if(no<0)
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{
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throw new NonNegId("Book Id Can not be Nagative.");
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}
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for(int i=0;i< nm.length();i++)
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{
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if(nm.charAt(i)>='0' && nm.charAt(i)<='9')
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{
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throw new Bname("Not a perfect String");
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}
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}
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if(pr < 0){
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throw new PrOnly("Only supported for Price 0 to 10");
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}else{
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this.bid=no;
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this.bname=nm;
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this.bprice=pr;
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}
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}
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public static void main(String[] args) throws NonNegId,PrOnly
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{
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try{
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Book b= new Book(1,"ja0va",120.5);
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}catch(NonNegId eid){
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System.out.println(eid);
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}catch(PrOnly eprice){
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System.out.println(eprice);
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}catch(Bname enm){
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System.out.println(enm);
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}finally{
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System.out.println("Releasing resources");
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}
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}
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}
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