BankAccount Instance Static

BankAccount-InstanceStatic – instance vs static member field & method
BankAccount-InstanceStatic

import java.util.*;
public class BankAccount {
    private int balance;
    private static int interestRate; // (%)

    public BankAccount() { 
        balance = 0; 
        interestRate = 5; 
    }

    public void deposit(int amount) { 
        balance += amount;
    }
   
    public void withdrawl(int amount) { 
        balance -= amount; 
    }

    public void print() { 
        System.out.println("final balance=" + 
	        (balance + balance * interestRate * 0.01) +
		" balance=" +
		balance +
		" interest=" +
		(balance * interestRate * 0.01));
		printInterestRate(); 
    }

    public static void setInterestRate(int interestRate) { 
        BankAccount.interestRate = interestRate; 
    }

    public static void printInterestRate() { 
        System.out.println("interestRate=" +
        interestRate); 
    }

    public int getUserInputInt() {
        Scanner input = new Scanner(System.in);
        System.out.print("Please enter Integer value: ");
        int value = input.nextInt();
        return value;
    }

    public static void main(String[] args) {
        BankAccount b = new BankAccount();
        b.deposit(2000);
        b.withdrawl(1000);
        b.print();
        BankAccount.printInterestRate();

        int amount = b.getUserInputInt();
        b.deposit(amount);
        b.print();
    }
}