<![CDATA[import java.io.*;
public class Personal extends IOmethods implements DbObject {
protected final int nameLen = 10, cityLen = 10;
protected String SSN, name, city;
protected int year;
protected long salary;
protected final int size = 9*2 + nameLen*2 + cityLen*2 + 4 + 8;
Personal() {
}
Personal(String ssn, String n, String c, int y, long s) {
SSN = ssn; name = n; city = c; year = y; salary = s;
}
public int size() {
return size;
}
public boolean equals(Object pr) {
return SSN.equals(((Personal)pr).SSN);
}
public void writeToFile(RandomAccessFile out) throws IOException {
writeString(SSN,out);
writeString(name,out);
writeString(city,out);
out.writeInt(year);
out.writeLong(salary);
}
public void writeLegibly() {
System.out.print("SSN = " + SSN + ", name = " + name.trim()
+ ", city = " + city.trim() + ", year = " + year
+ ", salary = " + salary);
}
public void readFromFile(RandomAccessFile in) throws IOException {
SSN = readString(9,in);
name = readString(nameLen,in);
city = readString(cityLen,in);
year = in.readInt();
salary = in.readLong();
}
public void readKey() throws IOException {
System.out.print("Enter SSN: ");
SSN = readLine();
}
public void readFromConsole() throws IOException {
System.out.print("Enter SSN: ");
SSN = readLine();
System.out.print("Name: ");
name = readLine();
for (int i = name.length(); i < nameLen; i++)
name += ' ';
System.out.print("City: ");
city = readLine();
for (int i = city.length(); i < cityLen; i++)
city += ' ';
System.out.print("Birthyear: ");
year = Integer.valueOf(readLine().trim()).intValue();
System.out.print("Salary: ");
salary = Long.valueOf(readLine().trim()).longValue();
}
public void copy(DbObject[] d) {
d[0] = new Personal(SSN,name,city,year,salary);
}
}
]]>