Cannot be applied to (java.io.PrintWriter) error

[Rob Long]

Hi guys I get the following errors when trying to compile this PayApp program and I was wondering how to solve it
printPay() in PaySlip cannot be applied to (java.io.PrintWriter)
slip.printPay(slipWrite)

   import java.io.*;
 
public class PayApp
{
  public static void main(String[] args)
  {
   
    boolean end_of_file = false;
    EmpInFile   f1 =  new EmpInFile();  
    EmpOutFile  f2 =  new EmpOutFile();
    Employee    emp = null;        
    PaySlip     slip = null;            
    Report   sum = null;      
    PrintWriter slipWrite = null; 
    PrintWriter sumWrite  = null; 
  
  
      
    if (args.length != 4)    // correct number ?
    {
      errExit("Names of Input employee file , output employee file, payslip file \n, and report file required");
    }
 
    
     
    
     
     emp = new Employee();
     sum =   new Report();
     slip  = new PaySlip(emp,sum);
     
   
 
     
   try
     {
       f1.openFile(args[0]);   
       f2.openFile(args[1]);   
          
       slipWrite = new PrintWriter(new FileWriter(args[2])); 
       sumWrite =  new PrintWriter(new FileWriter(args[3])); 
     }
 
      catch(IOException e)
      {
         System.err.println("error opening files" + e.toString());
         System.exit(1);
      }
 
      
 
     while (!end_of_file )
     {
        
          
        end_of_file = f1.readRecord(emp); 
        if(!end_of_file)
        { 
            
           slip.printPay(slipWrite);  
           
           
           f2.addRecord(emp);   
              
        }// end if ! end
 
      }// end while
 
       System.out.println("All employees processed ");
       
       sum.printTotals(sumWrite);   
       sumWrite.flush();
       sumWrite.close();         
       slipWrite.flush();
       slipWrite.close(); 
      
       
       f1.closeFile(); 
       f2.closeFile();
 
  } 
 
 
  static void  errExit(String message)
  {
 
   System.err.println(message);
   System.exit(1);
  }
 
 
  
}

public class PaySlip
{ 
// declare variables
	private double gross;
	private double tax;
	private double taxcredits;
	private Employee emp;
	private Report rep;
		
	public PaySlip (Employee e, Report r)
	{
	emp = e;
	rep = r;
	double gross = 0;
	double tax = 0;
	double taxcredits = 0;
	}
	
	public void setGross(double gr)
	{
	gross = gr;
	}
 
	public void setTax(double tx)
	{
	tax = tx;
	}
 
	public void settaxCreds(double taxcreds)
	{
	taxcredits = taxcreds;
	}
 
 
	public void printPay()
	{
	emp.calcPay(this);
	double netpay;
	netpay = gross - tax;
	System.out.println("____________________________________________________");
	System.out.println("               Payslip Information                  ");
	System.out.println("Employee Name: \t\t" +emp.getFirst() +" "+ emp.getLast());
	System.out.println("Employee Id: \t\t" +emp.getId());
	System.out.println("Net Pay: \t" +netpay);
	System.out.println("Year To Date Gross: \t" +emp.getYtdGross());
	System.out.println("Year To Date Tax: \t" +emp.getYtdTax());
	System.out.println("____________________________________________________");
	System.out.println("               Department Totals                    ");
	char dcode = emp.getDeptCode();
	rep.addToTotals(gross,tax,dcode);
	}
 
	
}


 

[Gamini Sirisena]

Read the error again.
Try to relate the information (keywords, identifiers etc.) given in the error to your program and find what might be wrong.

[Martijn Verburg]

Extra hint, what variables does the method that you are calling take? Take a look at your method signature....

[Rob Long]

Hi,

Thanks for the advice so far. I have removed the slipwrite within the brackets and the program runs ok. I was wondering if this would effect my ability to write results to a txt file for example.

[Martijn Verburg]

Well writing to a file would involve different APIs, I'd recommend starting at the Sun tutorial.