Java

package com.company;

import java.util.Scanner;
import java.util.Random;

public class StakingGame {

    static int cashStack = 500000;
    static int amountStaked;

    public static void main(String[] args) {
        System.out.println("Welcome to my staking game.");

        while(cashStack > 0) {
            amountStaked();
            System.out.println("Rolling...");

            whoWon();
        }
        System.out.println("You have no more money.");

    }

    public static void amountStaked() {
        Scanner scan = new Scanner(System.in);
        System.out.println("How much would you like to stake?");

        amountStaked = scan.nextInt();

        System.out.println("You have chosen to stake, " + amountStaked + "$, goodluck.");

    }

    public static int roll() {
        Random r = new Random();

        int min = 0;
        int max = 100;
        int rolled = r.nextInt(max-min) + min;

        return rolled;
    }

    public static void whoWon() {

        int playerRoll = roll();
        int computerRoll = roll();

        System.out.println("You have rolled a " + playerRoll);
        System.out.println("Your oppent has rolled a " + computerRoll);

        if(playerRoll > computerRoll) {
            stakeWon(0);
        } else if (playerRoll < computerRoll) {
            stakeLost(0);
        } else {
            System.out.println("You guys tied.");
        }
    }

    public static int stakeWon(int newAmount) {

        newAmount = cashStack + amountStaked;
        cashStack = newAmount;

        System.out.println("You have won the stake! You now have " + cashStack);
        return cashStack;
    }

    public static int stakeLost(int newAmount) {

        newAmount = cashStack - amountStaked;
        cashStack = newAmount;

        System.out.println("You have lost the stake.. You now have " + cashStack);
        return cashStack;
    }
}

public static void main(String[] args) {
    System.out.println("Welcome to my staking game.");

    while(cashStack > 0) {
        amountStaked();
        System.out.println("Rolling...");

        whoWon();
    }
    System.out.println("You have no more money.");

}

public String getLogin(StudentTO sto)

{
String u=sto.getUsername();
String p=sto.getPassword();

System.out.println(sto.getUsername());
System.out.println(sto.getPassword());





String sql="select * from studentstable";
System.out.println(sql);



Object obj=JdbcTemplate.queryForObject(sql, new RowMapper() {




  public Object mapRow(ResultSet rs) throws SQLException {



  rs.beforeFirst();

      while (rs.next()) {

      String userdb=rs.getString("username");
      String passdb=rs.getString("password");
      String roledb=rs.getString("role");
      String string="";


  if(userdb.equals(u) && passdb.equals(p) && roledb.equalsIgnoreCase("admin")) { 
      System.out.println("ADMIN_ROLE");

      string="ADMIN";

      return string;//this result i want to return in my method as String


  }else if(userdb.equals(u) && passdb.equals(p) && roledb.equalsIgnoreCase("user")) {

      System.out.println("USER_ROLE");

      string="USER";

      return string;//this result i want to return in my method as String

  }

Object obj=string;

  }//end ofwhile (rs.next())


      return obj;      <-------------------------------------------//error line



  }//end of Object mapRow(ResultSet rs)


 

});//end queryForObject



StudentTO sto1=(StudentTO)obj;

System.out.println(sto1);

  return sto1.toString(); 


}

static MyWork objMyWork = null; // implements Runnable
static Thread objThread = null;

public static void main(String[] args) throws
{
	TaskListener listener = new TaskListener()
        {
		@Override
		public void threadComplete()
		{
			try
			{
				objMyWork = new MyWork();
				objMyWork.SetData1(int data);
				objMyWork.SetData2(String data);
				objMyWork.addListener(this);
	
				objThread = new Thread(objMyWork);
				objThread.start();
				objThread.join();				
			}
			catch(Exception ex)
			{
                             /*       HERE I WANT TO START THREAD AGAIN      */
			}
		}
        }

	objMyWork = new MyWork();
	objMyWork.SetData1(int data);
	objMyWork.SetData2(String data);
	objMyWork.addListener(listener);
	
	objThread = new Thread(objMyWork);
	objThread.start();
	objThread.join();
}

public static int writeTutorId() throws Exception {
		openConnection();
		String qry = INSERT_QRY;
		int tutor_id = 0;
		
		PreparedStatement pstmt = connection.prepareStatement(qry, new String[] { "tutor_id" });	
		pstmt.setInt(1, tutor_id);
		if (pstmt.executeUpdate() != -1) { // error here
		//pstmt.executeUpdate();	
			ResultSet rs = pstmt.getGeneratedKeys();
			if (null != rs && rs.next()) {
				tutor_id = rs.getInt(1);
			}
			pstmt.close();
			connection.close();
			
		
	}
		return tutor_id;
}