Level 2 Tasks-(Java)

 

🟡 Level 2 – (Arrays & Strings)

1. Fruit Shop Stock

Story:
A shopkeeper wants to know total apples in all baskets.
Why: Introduces array sum & max.
Logic:

• Input: [10, 20, 30, 40].
• Loop → add all = total apples.
• Track max using if.

Code :

import java.util.Scanner;

public class FruitStock 

{

  public static void main(String[] args) 

  {

    Scanner sc = new Scanner(System.in);

    System.out.print("Enter basket counts separated by space: ");

   

    String line = sc.nextLine().trim();

    String[] parts = line.split("\\s+");

    int total = 0;

    int max = Integer.MIN_VALUE;

    for (String p : parts) 

    {

      int v = Integer.parseInt(p);

      total += v;

      if (v > max) max = v;

    }

    System.out.println("Total apples = " + total);

    System.out.println("Max in a basket = " + max);

    sc.close();

  }

}

Output :

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2. Cinema Ticket Booking

Story:
Cinema hall has limited seats. Booking system must prevent overbooking.
Why: Teaches condition checking.
Logic:

• Input: tickets requested.
• If requested ≤ available seats → confirm booking.
• Else → "House Full".

Code :

import java.util.Scanner;

public class CinemaBooking 

{

  public static void main(String[] args) 

  {

    final int availableSeats = 50;

    Scanner sc = new Scanner(System.in);

    System.out.print("Tickets requested: ");

    int req = sc.nextInt();

    if (req <= 0) System.out.println("Enter a positive number");

    else if (req <= availableSeats) System.out.println("Booking confirmed for " + req + " tickets.");

    else System.out.println("House Full");

    sc.close();

  }

}

Output :

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3. Bank ATM Withdrawal

Story:
A customer withdraws money from ATM.
Why: Helps in balance calculations.
Logic:

• Input: balance and withdrawal.
• If withdrawal ≤ balance → deduct.
• Else → "Insufficient Funds".

Code :

import java.util.Scanner;

public class ATMWithdrawal 

{

  public static void main(String[] args) 

  {

    Scanner sc = new Scanner(System.in);

    System.out.print("Enter balance: ");

    double balance = sc.nextDouble();

    System.out.print("Enter withdrawal amount: ");

    double w = sc.nextDouble();

    if (w <= 0) System.out.println("Enter a positive withdrawal amount.");

    else if (w <= balance)

     {

      balance -= w;

      System.out.printf("Withdrawal successful. Remaining balance = %.2f%n", balance);

    } 

    else System.out.println("Insufficient Funds.");

    sc.close();

  }

}

Output :

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4. Train Reservation Waiting List

Story:
Trains have limited confirmed + waiting seats. Extra passengers must be rejected.
Why: Practice with conditions.
Logic:

• Confirmed = 5, Waiting = 3.
• Input = number of passengers.
• If ≤5 → confirmed.
• If ≤8 → waiting list.
• Else → "No Seats Available".

Code :

import java.util.Scanner;

public class TrainReservation

 {

  public static void main(String[] args) 

  {

    final int CONFIRMED = 5;

    final int WAITING = 3; 

    Scanner sc = new Scanner(System.in);

    System.out.print("Number of passengers: ");

    int n = sc.nextInt();

    if (n <= CONFIRMED) System.out.println("All confirmed (" + n + " seats).");

    else if (n <= CONFIRMED + WAITING) 

    {

      int wcount = n - CONFIRMED;

      System.out.println("Confirmed = " + CONFIRMED + ", Waiting = " + wcount);

    } else 

    {

      System.out.println("No Seats Available");

    }

    sc.close();

  }

}

Output :

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5. Election Vote Counting

Story:
In a small election, votes are cast for candidates A, B, C.
Why: Great for counting array/string frequency.
Logic:

• Input: votes list.
• Loop → count each candidate’s votes.
• Compare to find winner.

Code :

import java.util.Scanner;

public class VoteCount 

{

  public static void main(String[] args) 

  {

    Scanner sc = new Scanner(System.in);

    System.out.print("Number of votes: ");

    int n = sc.nextInt();

    System.out.println("Enter votes (A or B or C), one per line:");

    int a=0,b=0,c=0;

    for (int i=0;i<n;i++) 

    {

      String vote = sc.next().trim().toUpperCase();

      if (vote.equals("A")) a++;

      else if (vote.equals("B")) b++;

      else if (vote.equals("C")) c++;

      else System.out.println("Invalid vote ignored: " + vote);

    }

    System.out.println("Votes - A: " + a + ", B: " + b + ", C: " + c);

    if (a> b && a > c) System.out.println("Winner: A");

    else if (b > a && b > c) System.out.println("Winner: B");

    else if (c > a && c > b) System.out.println("Winner: C");

    else System.out.println("Result: Tie or no clear winner");

    sc.close();

  }

}

Output :

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