Encapsulation

title: Encapsulation in Java description: Data hiding aur encapsulation ka concept

Data (variables) aur methods ko ek unit mein band karna, aur data ko unauthorized access se bachana.

Implementation

Variables ko private banao
Public getter aur setter methods provide karo

java exampleWoHoTech

class BankAccount {
    private String accountNumber;
    private double balance;
    private String owner;

    // Constructor
    public BankAccount(String accountNumber, String owner) {
        this.accountNumber = accountNumber;
        this.owner = owner;
        this.balance = 0;
    }

    // Getter
    public double getBalance() { return balance; }
    public String getOwner() { return owner; }
    public String getAccountNumber() { return accountNumber; }

    // Setter with validation
    public void deposit(double amount) {
        if (amount > 0) balance += amount;
        else System.out.println("Invalid amount");
    }

    public boolean withdraw(double amount) {
        if (amount > 0 && balance >= amount) {
            balance -= amount;
            return true;
        }
        System.out.println("Insufficient balance");
        return false;
    }
}

Benefits

Data Protection — Direct access nahi
Validation — Setter mein check laga sakte hain
Flexibility — Internal implementation change ho sakti hai
Read-only / Write-only — Sirf getter ya sirf setter provide karo

Encapsulation vs Abstraction

Encapsulation — Data hiding (HOW it's stored)
Abstraction — Implementation hiding (HOW it works)

title: Encapsulation in Java description: Data hiding aur encapsulation ka concept

Data (variables) aur methods ko ek unit mein band karna, aur data ko unauthorized access se bachana.

Implementation

Variables ko private banao
Public getter aur setter methods provide karo

java exampleWoHoTech

class BankAccount {
    private String accountNumber;
    private double balance;
    private String owner;

    // Constructor
    public BankAccount(String accountNumber, String owner) {
        this.accountNumber = accountNumber;
        this.owner = owner;
        this.balance = 0;
    }

    // Getter
    public double getBalance() { return balance; }
    public String getOwner() { return owner; }
    public String getAccountNumber() { return accountNumber; }

    // Setter with validation
    public void deposit(double amount) {
        if (amount > 0) balance += amount;
        else System.out.println("Invalid amount");
    }

    public boolean withdraw(double amount) {
        if (amount > 0 && balance >= amount) {
            balance -= amount;
            return true;
        }
        System.out.println("Insufficient balance");
        return false;
    }
}

Benefits

Data Protection — Direct access nahi
Validation — Setter mein check laga sakte hain
Flexibility — Internal implementation change ho sakti hai
Read-only / Write-only — Sirf getter ya sirf setter provide karo

Encapsulation vs Abstraction

Encapsulation — Data hiding (HOW it's stored)
Abstraction — Implementation hiding (HOW it works)

Encapsulation

Implementation

Benefits

Encapsulation vs Abstraction

Continue learning this concept

Encapsulation

Implementation

Benefits

Encapsulation vs Abstraction

Continue learning this concept