Answer:
public class Person {
//fields
private int id;
private String name;
private Payment pay;
//constructor
public Person(String name, int id,
int startSal, int startBon){
this.name = name;
this.id = id;
this.pay = new Payment(startSal, startBon);
}
//method get name
public String getName(){
return name;
}
//method get id
public int getId(){
return id;
}
//method get start salary
public int getStartSalary(){
return pay.startSalary;
}
//method get start bonus
public int getStartBonus(){
return pay.startBonus;
}
//inner payment class
private class Payment{
int startSalary;
int startBonus;
public Payment(int sal, int bon){
this.startSalary = sal;
this.startBonus = bon;
The answer would be true.
Answer:
Header files serve two purposes. System header files declare the interfaces to parts of the operating system. You include them in your program to supply the definitions and declarations you need to invoke system calls and libraries.
Answer:
D) use SQL or graphical tools to query the database
Explanation:
To query the database using SQL or graphical tools will help Howie to retrieve bulk of records from the database according to his requirements and it will help to understand and work with the data in a better way than using the data in raw form.
SQL is a language of database used to manipulate and manage the data in the relational database and to query the database.
It is an easy and faster way to query using SQL or graphical tools because no coding is required here.
Different graphical tools are used to present the data in the database in a way that can be easily understood by a person. Different interfaces are provided to visualize the database tables or schema diagrammatically e.g in the form of graphs etc. Different views of the database can be provided to different users according to their requirement and what information they required to be presented.
