#NADUI__JAVA LAB 2 ASSIGNMENT

                                  /////////////////      LAB 2 OOP HELALI APA  //////////////////

// TASK 2

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public class BankAccount {

     public String name, ID;
     public double balance;


    public BankAccount (String name , String ID, double balance){
        this.name=name;
        this.ID=ID;
        this.balance=balance;


}  // Constructor

    // Method One
        public void deposit(double depAmount){

            balance = balance + depAmount;
     }

    //Method Two
     public void withdraw(double withAmount){

               if (balance >= withAmount){
                balance = balance - withAmount;
          }
         else {
                  System.err.println("Insufficient balance for withdraw");
         }

     }

    //Method Three
     public double getBalance(){

            return balance;
      }

    //Method Four
        public void display() {
            System.out.println("Name:" + name + "  ID: " + ID + "   Balance: " + balance);
        }
}

public class Bank{

    public static void main (String [] args){

        BankAccount cus1 = new BankAccount();


        cus1.name =  "Nadira Anjum";
        cus1.ID  =  "120053";
        cus1.balance = 0;


        cus1.deposit(1000);
        cus1.withdraw(3000);

        System.out.println(cus1.getBalance());
        cus1.display();
 }

}


public class BankAccountArray {

    public static void main (String [] args){

      BankAccount[] customer = new BankAccount[4];

        customer [0] = new BankAccount("Nazrul Islam" ,"1234" ,20000 );
        customer [1] = new BankAccount("Rizvi Mahmud", "2345",  2000);
        customer [2] = new BankAccount("Rizwana Khan", "3456" , 3000);
        customer [3] = new BankAccount( "Anwar Hossain","4567" , 1000 );

         for (int i =0; i<customer.length; i++){

                 customer[i].display();
         }
     }
}
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//TASK 3 (a) OPTION 1

package com.company;
import java.util.Scanner;

public class Fibo {

        public static void main(String[] args) {

            int t1 =0, t2 = 1, nextTerm = 0;

            Scanner scan = new Scanner(System.in);
            System.out.println("Enter the term");
            int n = scan.nextInt();

            for (int i= 1; i<=n ; ++i){

                if (i == 1){

                    System.out.printf("  %d  " , t1);
                    continue;
                }

                if (i == 2){
                    System.out.printf("  %d  " , t2);
                    continue;

                }
                nextTerm = t1 + t2;
                t1 = t2;
                t2 = nextTerm;
                System.out.printf("  %d  " , nextTerm);

            }
        }
}



//TASK 3(b)   OPTION 1

package com.company;
import java.util.Scanner;

public class EvenOdd {

    public static void main(String args[]) {

        Scanner input = new Scanner(System.in);

        System.out.printf("Enter any number : ");


        int number = input.nextInt();


        if ((number % 2) == 0) {
            System.out.printf("number %d is even number %n", number);

        } else {
            System.out.printf("number %d is odd number %n", number);
        }
    }
}

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PROBLEM 3 ... OPTION 2

public class Numbers {

    int num;

    public void showFibonacci() {
        int t1 = 0, t2 = 1, nextTerm = 0;


        for (int i = 1; i <= num; ++i) {

            if (i == 1) {

                System.out.printf("  %d  ", t1);
                continue;
            }

            if (i == 2) {
                System.out.printf("  %d  ", t2);
                continue;

            }
            nextTerm = t1 + t2;
            t1 = t2;
            t2 = nextTerm;
            System.out.printf("  %d  ", nextTerm);

        }
    }

    public void showPyramid(){



        int rowCount = 1;

        System.out.println("Here Is the Pyramid");

if (num <=9 ) {

    for (int i = num; i > 0; i--) {

        for (int j = 1; j <= i * 2; j++) {
            System.out.print(" ");
        }

        for (int j = 1; j <= rowCount; j++) {
            System.out.print(j + " ");
        }

        for (int j = rowCount - 1; j >= 1; j--) {
            System.out.print(j + " ");
        }

        System.out.println();

        rowCount++;
    }
}

    else {                          /////// ***** You can avoid this else part for printing *****//////

        for (int i = 9; i > 0; i--) {

            for (int j = 1; j <= i * 2; j++) {
                System.out.print(" ");
            }

            for (int j = 1; j <= rowCount; j++) {
                System.out.print(j + " ");
            }

            for (int j = rowCount - 1; j >= 1; j--) {
                System.out.print(j + " ");
            }

            System.out.println();

            rowCount++;
        }
      }
    }


    public boolean checkNumber(){

        boolean even = true;
        if (num%2!=0){
            even = false;
        }
        return true;
    }

    void setNum(int num){


    }
}




import java.util.Scanner;

public class NumberTest {

    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);
        Numbers test = new Numbers();
        int select = sc.nextInt();

        test.num = 5;

    switch (select) {

             case 1:test.showFibonacci();
             break;

             case 2:test.showPyramid();
             break;

             case 3: test.checkNumber();
             break;

             case 4:test.setNum(0);
        }

    }
}
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