Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
Packages and interfaces
1.
2. package book;
public class bookdetails
{
String bname;
String aname;
int price;
int ypub;
public bookdetails(String bn,String an,int p,int yp)
{
bname=bn;
aname=an;
price=p;
ypub=yp;
}
public void print()
{
System.out.println("n******BOOK DETAILS*******");
System.out.println("nBook name="+bname);
System.out.println("nAuthor name="+aname);
System.out.println("nPrice="+price);
System.out.println("nYear of publication="+ypub);
System.out.println("n****************************");
}
}
3. To create a folder and named as packagename.
packagename : bookdetails.java
RUN :
c:javabinAnushya>cd book
c:javabinAnushyabook>set path=“c:javabinanushya”;
c:javabinAnushyabook> javac bookdetails.java
Package Program is only created , save and compile
and not run.
c:javabinAnushyabook> cd..
c:javabinAnushya>
6. import java.io.*;
interface demo
{
void area();
void print();
}
class rectangle implements demo
{
int length,breadth;
float area1;
rectangle(int l,int b)
{
length=l;
breadth=b;
}
public void area()
{
area1=length*breadth;
}
7. public void print()
{
System.out.println("The area of the rectangle:"+area1);
}
}
class demons
{
public static void main(String args[])throwsIOException
{
rectangle r1=new rectangle(10,2);
r1.area();
r1.print();
}
}