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rupeshsmrupeshsm
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5.4 Method Overloading
The program contains modifyData() method which is overloaded by passing diffrent parameter.
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‎TestEmployeeModify.java‎

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import java.util.Scanner;
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class Employee
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{
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String name;
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private int e_id;
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private float salary;
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private boolean status;
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Scanner sc = new Scanner(System.in);
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void setData()
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{
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System.out.println("Enter Name (String) of Employee: " );
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name=sc.nextLine();
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System.out.println("Enter Employee ID (Integer) of Employee: " );
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e_id=sc.nextInt();
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System.out.println("Enter Salary (Float) of Employee: " );
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salary=sc.nextFloat();
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System.out.println("Enter Working Satus (Boolean) of Employee: " );
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status=sc.nextBoolean();
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}
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void getData()
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{
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System.out.println("Name:"+name+"\nEmp Id:"+e_id+"\nSalary:"+salary+"\nStatus:"+status);
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}
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void modifyData(String name) //modifyData methods are overloaded
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{
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this.name = name;
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System.out.println("Name changed successfully " );
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}
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void modifyData(int e_id)
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{
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this.e_id = e_id;
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System.out.println("ID changed successfully " );
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}
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void modifyData(float salary)
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{
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this.salary = salary;
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System.out.println("Salary changed successfully " );
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}
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void modifyData(boolean status , float salary)
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{
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this.status = status;
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if(status == true)
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this.salary = salary;
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else
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this.salary = 0.0f;
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System.out.println("Working Status and Salary changed successfully " );
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}
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void modify(Employee e)
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{
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System.out.println("\nSelect Details to Modify : ");
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System.out.println("\n1. Name \n2.ID \n3. Salary \n4.Status and Salary");
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Scanner sc = new Scanner(System.in);
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int ch = sc.nextInt();
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switch(ch)
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{
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case 1: System.out.println("Enter new Name (String) of Employee: " );
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String name=sc.nextLine();
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e.modifyData(name);
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break;
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case 2: System.out.println("Enter new ID (Integer) of Employee: " );
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int e_id=sc.nextInt();
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e.modifyData(e_id);
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break;
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case 3: System.out.println("Enter new Salary (Float) of Employee: " );
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float salary=sc.nextFloat();
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e.modifyData(salary);
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break;
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case 4: System.out.println("Enter new status (Boolean) and Salary (Float) of Employee: " );
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boolean status=sc.nextBoolean();
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salary=sc.nextFloat();
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e.modifyData(status, salary);
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break;
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default: System.out.println("This feature is not yet available" );
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}
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}
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}
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/*** Main Class***/
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class TestEmployeeModify
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{
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public static void main(String args[])
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{
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Employee e = new Employee();
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e.setData();
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System.out.println("Details of :"+e.name);
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e.getData();
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e.modify(e);
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e.getData();
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}
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}

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