sample9.java

import java.util.ArrayList;
import java.util.Iterator;
import java.util.Scanner;
import java.util.List; 


public class sample9 {
 

 public static void selectOption(ArrayList arr)
 {
 System.out.println("1.Delete by Account id " + "\n" + "2. Delete By Acc name" + "\n" + "3. Delete By Acc Ids" + "\n" + "4. Delete By Acc bal range" +"\n" + "5.exit");
 System.out.println("enter option");
 Scanner scanner=new Scanner(System.in);
 int i= scanner.nextInt();
 switch (i) {
 case 1:
 deleteByAccid(arr);
 
 break;
 case 2:
 deleteByAccName(arr);
 
 break; 
 case 3:
 deleteByAccIds(arr);
 
 break;
 case 4:
 deleteByBalanceRange(arr);
 
 break;
 case 5:
 exit();
 
 break;
 default:
 break;
 }
 }
 public static void deleteByAccid(ArrayList<Bank> arr)
 {
 System.out.println("Enter account id");
 Scanner scanner=new Scanner(System.in);
 int acid=scanner.nextInt();
 System.out.println("Entered acid is:"+acid);

 Iterator itr=arr.iterator();
 while(itr.hasNext())
 {
 Object o=itr.next();
 Bank b=(Bank)o;
 if(b.getAccid() == acid)
 {
 System.out.println("are you sure :(y/n)");
 char s=scanner.next().charAt(0);
 System.out.println(s);
 if(s == 'y')
 {
 arr.remove(b);
 System.out.println("Id Removed");
 break;
 }
 else
 {
 System.out.println("Id not removed");
 }
 
 }
 

 }
 display(arr);
 
 
 }
 public static void deleteByAccName(ArrayList arr)
 {
 System.out.println("Enter account Name");
 Scanner scanner=new Scanner(System.in);
 String acname=scanner.nextLine();
 System.out.println("Entered acName is:"+acname);

 Iterator itr=arr.iterator();
 while(itr.hasNext())
 {
 Object o=itr.next();
 Bank b=(Bank)o;
 if(b.getAccName().equals(acname))
 {
 System.out.println("are you sure :(y/n)");
 char s=scanner.next().charAt(0);
 if(s == 'y')
 {
 arr.remove(b);
 System.out.println("Id Removed");
 break;
 }
 else
 {
 System.out.println("Id not removed");
 }
 
 }
 

 }
 display(arr);
 
 }
 public static void deleteByAccIds(ArrayList arr)
 {
 System.out.println("Enter Account ids");
 Scanner scanner=new Scanner(System.in);
 String str= scanner.next();
 String[] svalues=str.split(",");
 Integer[] values=new Integer[svalues.length];
 int i=0;
 for(String s:svalues)
 {
 values[i]=Integer.parseInt(s.trim());
 i++;
 }
 for( i=0;i<values.length;i++)
 {
 Iterator itr=arr.iterator();
 while(itr.hasNext())
 {
 Object o= itr.next();
 Bank b=(Bank)o;
 if(b.getAccid() == values[i])
 { 
 System.out.println("Id is:" + values[i]);
 System.out.println("are you sure :(y/n)");
 char s=scanner.next().charAt(0);
 System.out.println(s);
 if(s == 'y')
 {
 arr.remove(b);
 System.out.println("Id Removed");
 break;
 }
 else
 {
 System.out.println("Id not removed");
 }
 
 }
 }
 }
 display(arr);

 }
 public static void deleteByBalanceRange(ArrayList arr)
 {
 System.out.println("Enter balance range");
 Scanner scanner=new Scanner(System.in);
 int range=scanner.nextInt();

 for(int i=0;i<arr.size();i++)
 
 {
 Object o= arr.get(i);
 Bank b=(Bank) o;
 if(b.getAccBal() < range)
 {
 arr.remove(b);
 System.out.println(b.getAccid()+ " " + b.getAccName() + " " + b.getAccBal());
 }
 }
 // Iterator itr=arr.iterator();
 // while(itr.hasNext())
 // {
 // Object o=itr.next();
 // Bank b=(Bank) o;
 // if(b.getAccBal() < range)
 // {
 // arr.remove(b);
 // System.out.println(b.getAccid()+ " " + b.getAccName() + " " + b.getAccBal());
 // }
 // }
 }
 public static void exit(){
 System.exit(0);
 }
 public static void display(ArrayList arr)
 {
 
 Iterator itr=arr.iterator();
 while(itr.hasNext())
 {
 Object o=itr.next();
 Bank b=(Bank)o;
 System.out.println(b.getAccid() + " " +b.getAccName() + " " +b.getAccBal());
 }
 
 }
 public static void main(String[] args)
 {
 ArrayList<Bank> ar=new ArrayList<Bank>();
 Bank b1=new Bank();
 Bank b2=new Bank();
 Bank b3=new Bank();
 Bank b4=new Bank();
 Bank b5=new Bank();
 b1.setAccid(101);b1.setAccName("surya");b1.setAccBal(500);
 b2.setAccid(102);b2.setAccName("satya");b2.setAccBal(2500);
 b3.setAccid(103);b3.setAccName("Tiwari");b3.setAccBal(3456);
 b4.setAccid(104);b4.setAccName("Priya");b4.setAccBal(1122);
 b5.setAccid(105);b5.setAccName("Akhil");b5.setAccBal(2341);
 ar.add(b1);ar.add(b2);ar.add(b3);ar.add(b4);ar.add(b5);

 selectOption(ar);

 }

 
}