java

java

create java program for delete and update the details,without using database, just a normal java program

View Answers

August 2, 2011 at 3:20 PM

import java.util.ArrayList;
import java.util.Scanner;

class Person{
        String name;
        String address;
        String email;

        Person(String name,String address,String email){
        this.name=name;
        this.address=address;
        this.email=email;
        }
        public void setName(String name){
            this.name=name;
        }
        public String getName(){
                return name;
        }
        public void setAddress(String address){
            this.address=address;
        }
        public String getAddress() {
                return address;
        }
        public void setEmail(String email){
            this.email=email;
        }
        public String getEmail() {
                return email;
        }
    }

August 2, 2011 at 3:21 PM

continue..

public class ArrayListEx{
  public static void main(String[] a){
      Scanner input=new Scanner(System.in);
                ArrayList<Person> list = new ArrayList<Person>();
                list.add(new Person("A","Delhi","[email protected]"));
                list.add(new Person("B","Mumbai","[email protected]"));
                list.add(new Person("C","Chennai","[email protected]"));
                list.add(new Person("D","Kolkata","[email protected]"));
                boolean exit=false;
                for(Person data: list){
                System.out.println(data.getName()+"\t "+data.getAddress()+"\t "+data.getEmail());
                }
                do{
                System.out.println("1 Add Details");
                System.out.println("2 Edit Details");
                System.out.println("3 Delete Details");
                System.out.println("4 Exit");

                System.out.print("Enter your choice: ");
                int choice=input.nextInt();
                switch(choice){
                case 1:
                  System.out.print("Enter name: ");
                  String name=input.next();

                  System.out.print("Enter address: ");
                  String address=input.next();

                  System.out.print("Enter email: ");
                  String email=input.next();

                  list.add(new Person(name,address,email));
                  for(Person data: list){
                     System.out.println(data.getName()+"\t "+data.getAddress()+"\t "+data.getEmail());
                  }
                  break;
                case 2 :
                  System.out.print("Enter name to edit the details: ");
                  String nn=input.next();
                  for(Person data: list){
                  if(nn.equals(data.getName())){
                      System.out.print("Enter new name: ");
                      String newname=input.next();
                      System.out.print("Enter new address: ");
                      String newaddress=input.next();
                      System.out.print("Enter new email: ");
                      String newemail=input.next();
                      data.setName(newname);
                      data.setAddress(newaddress);
                      data.setEmail(newemail);
                  }
                  }
                  for(Person data: list){
                     System.out.println(data.getName()+"\t "+data.getAddress()+"\t "+data.getEmail());
                  }
                  break;
                case 3 :
                  System.out.print("Enter name to remove the details: ");
                  String n=input.next();
                  for(Person data: list){
                  if(n.equals(data.getName())){
                  data.setName(" ");
                      data.setAddress(" ");
                      data.setEmail(" ");
                  }
                }
                  for(Person data: list){
                     System.out.println(data.getName()+"\t "+data.getAddress()+"\t "+data.getEmail());
                  }
                     break;
                 case 4 :
                  exit=true;
                  System.exit(0);
                  break;

                 default: 
                     System.out.println("Invalid Selection!");
                }
                }
                while(!exit);
        }
}

August 3, 2011 at 8:55 AM

Thanks Thank you very much.......









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