sfr, Java - rextester

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//'main' method must be in a class 'Rextester'.
//Compiler version 1.8.0_111

import java.util.*;
import java.lang.*;
import java.text.DecimalFormat;

class myBankAccount{
           final float SBInterestRate=3.0f;
           final float FDInterestRate=8.65f;
           final float RDInterestRate=6.75f;
           long acctNum; String custName,acctType,city;
           char gender;
           float balance;
    public myBankAccount(){ balance=1000.0f;gender='M'; }
    public myBankAccount(long an,String cname, String at, String cty,float bal,char g){
     acctNum=an; custName=cname; acctType=at; city=cty; balance=bal;gender=g;   
    }
    public float withDrawl(float amount)
    {
        if(amount<0) { System.out.println("Invalid Amount"); return (-1.0f);}
            else
                if((balance-amount)<1000.0f) { System.out.println("Insufficient Balance... "); return (-2.0f);}
             else
        { balance-=amount; System.out.println("Transaction Done..."); return (balance);}
    }
    public void display() {
    
    System.out.println(acctNum+"\t\t"+custName + "\t"+acctType+"\t\t"+city+"\t\t"+balance);
           
    }
    public void deposit(float amount)
    {
       if(amount>100000.0f) System.out.println("This transaction needs PAN Card Number :");
        else{
            balance+=amount;
            System.out.println("Deposit Transaction Succesful... "+custName + " Your current account balance : "+balance);
    }
    }
    public float computeInterest(int timePeriod)
    {
       if(acctType=="SB") return ( balance*timePeriod*SBInterestRate/100);
       else if(acctType=="FD") return(balance*timePeriod*FDInterestRate/100);
           else return (balance*timePeriod*RDInterestRate/100);
           
    }
       public myBankAccount processObject(myBankAccount a)
       {   myBankAccount b=new myBankAccount();
           b.acctNum=(a.acctNum);
           b.custName="Shridhar";
           b.city="Pune";
           b.acctType="FD";
           b.balance=(a.balance)+2000.0f;
           return (b);
           
       }
}

class Rextester
{  
    public static void main(String args[])
    {   float x;
        DecimalFormat ft = new DecimalFormat("#.##");
    
        myBankAccount b1=new myBankAccount(1001,"Shrinivas","SB","Belgaum ",3000.0f,'M');
        myBankAccount b2=new myBankAccount(1002,"Sharada  ","FD","Bijapur ",8000.0f,'F');
        myBankAccount b3=new myBankAccount(1003,"Vijay K.S","RD","Shimogga",9500.0f,'M');
        myBankAccount c3=b3.processObject(b3);
        c3.display();
        if((x=b1.withDrawl(1800.0f))>0.0f) { System.out.println("Transaction succesful : " +  b1.custName + " your current balance is : "+b1.balance);}
                                                      else System.out.println("Transaction failed... : "+b1.custName+" Your current balance is: "+b1.balance);
        
        b1.deposit(5000.0f);
        if(b1.gender=='M')
        System.out.println("Mr." + b1.custName+", interest earned on your balance amount " + b1.balance+ " is : "+ft.format(b1.computeInterest(3)));
        else
        System.out.println("Ms." + b1.custName+", interest earned on your balance amount " + b1.balance+ " is : "+b1.computeInterest(3));
        if(b2.gender=='M')
        System.out.println("Mr." + b2.custName+", interest earned on your balance amount " + b2.balance+ " is : "+b2.computeInterest(3));
        else
        System.out.println("Ms." + b2.custName+", interest earned on your balance amount " + b2.balance+ " is : "+ft.format(b2.computeInterest(3)));
        
        if(c3.gender=='M')
        System.out.println("Mr." + c3.custName+", interest earned on your balance amount " + c3.balance+ " is : "+c3.computeInterest(3));
        else
        System.out.println("Ms." + c3.custName+", interest earned on your balance amount " + c3.balance+ " is : "+ft.format(c3.computeInterest(3)));
       System.out.println("Account Num\t|Customer Name\t|Acct Type\t|City\t\t\t|Balance|");
       System.out.println("___________________________________________________________________________________\n");
       b1.display();
       b2.display();
       b3.display();
    }
}

[ + ] Show input
Compilation time: 0.83 sec, absolute running time: 0.17 sec, cpu time: 0.16 sec, memory peak: 19 Mb, absolute service time: 1,02 sec