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  • Encapsulation

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    Encapsulation is a concept of wrapping up of data into a single unit and hiding implementation details from the user.

    If we use the private method then they can not be accessed in the other class.

    If we put a getter setter method to update it than they are accessible.

    So to overcome we use encapsulation.

    public class EncapsulationDemo{
        private int ssn;
        private String empName;
        private int empAge;
    
        //Getter and Setter methods
        public int getEmpSSN(){
            return ssn;
        }
    
        public String getEmpName(){
            return empName;
        }
    
        public int getEmpAge(){
            return empAge;
        }
    
        public void setEmpAge(int newValue){
            empAge = newValue;
        }
    
        public void setEmpName(String newValue){
            empName = newValue;
        }
    
        public void setEmpSSN(int newValue){
            ssn = newValue;
        }
    }
    public class EncapsTest{
        public static void main(String args[]){
             EncapsulationDemo obj = new EncapsulationDemo();
             obj.setEmpName("Mario");
             obj.setEmpAge(32);
             obj.setEmpSSN(112233);
             System.out.println("Employee Name: " + obj.getEmpName());
             System.out.println("Employee SSN: " + obj.getEmpSSN());
             System.out.println("Employee Age: " + obj.getEmpAge());
        } 
    }
    

    Employee Name: Mario Employee SSN: 112233 Employee Age: 32

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