encapsulation.java

class atm {

private int balance;
 public int getbalance(){
	return balance;

 } 


public void setbalance(int balance){
	if(balance >=2000){
		this.balance = balance;
		
	}

 }
} 

class Main{
	public static void main(String args[]) {
	atm boc = new atm();
	boc.setbalance(5000);
	System.out.println(boc.getbalance());
	}
}

Concept of OOP Encapsulation