Java

Java

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Instructor

Question 1

Public class employee

{

//creating the members of class employee

Public float empName

Public float empHours

Public float empRate

Public float empSalary

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//creating method display

Public float Display (float empHour, empRate, empSalary, empName)

{

system.out.println (“set the values to”+” display method”);

sytem.out.println (“”)

}

}

//Save files as employee. Java

Test program

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Public class employee

{

Public static void main (string [] args)

{

//creating objects e1 and e2

employee e1=new employee ();

employee e2=new employee ();

//setting values to the members and calling the display method

empName=”NOINPUT”

empHours= “NOINPUT”

empRate= “NOINPUT”

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empSalary= “NOINPUT”

system.out.println (“setting the values to”+” display method”);

empName.Display

empHours.Display

empRate.Display

empSalary.Display

system.out.println (“NOINPUT”)

//Save files as test employee. Java

Question2

Public class employee2

{

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//Creating class members

Private float empName

Private float empSalary

Private float empHour

Private float empRate

//Creating a display method

Public float Display (float empHour, empRate, empSalary, empName)

{

system.out.println (“set the values to”+” display method”);

sytem.out.println (“”)

Public void display ()

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//Creating get and set method

empName=Name

empRate=Rate

empHour=Hour

Public float getempName ();

{

Return empName;

}//end the get method

Public void setempName (float Name)

{

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empName=Name

}//end the set method

Public float getEmpRate()

{

Return empRate;

}

Public void Set empRate (float Rate);

{

empRate=Rate

}

Public float getEmpHour ()

{

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Return empHour;

}

Public void Set empHour(float Hour);

{

empHour=Hour

}

//Save as employee2.java

Test program

Import java.util.scanner

Public class scanner

Public class employee2

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{

Public static void main (string [] args)

Scanner scanner =new scanner(system.in)

{

//creating objects

Employee2 e1=new employee2 ();

Employee2 e2=new employee2 ();

Employee2 e3= new employee2 ();

//promoting the user to enter input

System.out.print (“enter empName, empHour, empRate, empSalary :”) ;

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Name=scanner. Next line ( );

System.out.println (“name”)

Hour=scanner. Next line ( );

System.out.println (“Hour”)

Rate=scanner. Next line ( );

System.out.println (“Rate”)

Salary=scanner. Next line ( );

System.out.println (“Salary”)

}

}

//Calling out display method

system.out.println (“set the values to”+” display method”);

Name. Display();

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Hours. Display();

Rate. Display();

system.out.println (“Name, Hour, Rate”);

}

//Save the file as testemployee2.java

Question 3

Public class employee3

{

Private float empName

Private float empSalary

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Private float empHour

Private float empRate

Public Employee3 ()//default constructor

empName=Name;

empSalary=Salary

empHour=Hour

empRate=Rate

{

}

Public Employee3 (float, Name, salary, hours, rate)

{

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EmpName=Name;

EmpSalary=Salary

EmpHour=Hour

EmpRate=Rate

}

//creating get and set method

Public float getSalary ( )

{

Return Salary

}

Public void setSalary ();

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{

Salary=hours * rate

}

}

//save the file as employee3.java

Test program

Import java.util.scanner

Public class scanner

Public class employee3

{

Public static void main (string [] args)

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Scanner scanner =new scanner(system.in)

{

//creating objects

Employee3 e1=new employee3();// created using the default constructor

Employee3 e2=new employee3 ( );

//promoting the user to enter input

System.out.print (“enter empName, empHour, empRate, empSalary :”);

Name=scanner. Next line ();

System.out.println (“Name”)

Rate=scanner. Next line ();

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System.out.println (“Rate ”)

Salary=scanner. Next line ();

System.out.println (“Salary”)

}

}

//Calling out display method

system.out.println (“set the values to”+” display method”);

Name.Display();

Hours.Display();

Rate.Display();

system.out.println (“Name, Hour, Rate”);

//Save the file as testemployee3.java

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Java

Reference

Malik, D., & Burton, R.(2008).Java Programming: Guided Learning with Early Objects.Cengage Learning EMEA

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