public static void main(String[] args)
{
    em e1=new em(1,"me",100);
    em e2=new em(2,"she",1000);
    em e3=new em(3,"he",10000);
    Map map=new HashMap<>();

    map.put(10, e1);
    map.put(11, e2);
    map.put(13, e3);
    em e5=map.get(11);

}

}

em(int id,String name,double salary)
{
    this.id=id;
    this.name=name;
    this.salary=salary;

}

public int getId() {
    return id;
}

public void setId(int id) {
    this.id = id;
}

public String getName() {
    return name;
}

public void setName(String name) {
    this.name = name;
}

public double getSalary() {
    return salary;
}

public void setSalary(double salary) {
    this.salary = salary;
}

}

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