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Write a program to calculate square area

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warning: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Calcutta' for 'IST/5.0/no DST' instead in /home/javadeve/public_html/sites/all/modules/advanced_blog/advanced_blog.module on line 341.
warning: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Calcutta' for 'IST/5.0/no DST' instead in /home/javadeve/public_html/sites/all/modules/advanced_blog/advanced_blog.module on line 340.
warning: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Calcutta' for 'IST/5.0/no DST' instead in /home/javadeve/public_html/sites/all/modules/advanced_blog/advanced_blog.module on line 341.
warning: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Calcutta' for 'IST/5.0/no DST' instead in /home/javadeve/public_html/sites/all/modules/advanced_blog/advanced_blog.module on line 340.
warning: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Calcutta' for 'IST/5.0/no DST' instead in /home/javadeve/public_html/sites/all/modules/advanced_blog/advanced_blog.module on line 341.
warning: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Calcutta' for 'IST/5.0/no DST' instead in /home/javadeve/public_html/sites/all/modules/advanced_blog/advanced_blog.module on line 340.
warning: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Calcutta' for 'IST/5.0/no DST' instead in /home/javadeve/public_html/sites/all/modules/advanced_blog/advanced_blog.module on line 341.
warning: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Calcutta' for 'IST/5.0/no DST' instead in /home/javadeve/public_html/sites/all/modules/advanced_blog/advanced_blog.module on line 340.
warning: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Calcutta' for 'IST/5.0/no DST' instead in /home/javadeve/public_html/sites/all/modules/advanced_blog/advanced_blog.module on line 341.
warning: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Calcutta' for 'IST/5.0/no DST' instead in /home/javadeve/public_html/sites/all/modules/advanced_blog/advanced_blog.module on line 340.
warning: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Asia/Calcutta' for 'IST/5.0/no DST' instead in /home/javadeve/public_html/sites/all/modules/advanced_blog/advanced_blog.module on line 341.

Submitted by Rahul on Mon, 09/13/2010 - 13:37

/*
 * Write a program to calculate square area. Program should have class called
 * square with length as member variable and getArea member method.
 * getArea method should print area of the square object.
 */
 
class Square{
 
 int l;
 
 void setData(int x){
  l = x;
 }
 
 void getArea(){
  
  System.out.println("Area of Square: " + (l*l));
 }
}
 
public class SquareArea
{
 public static void main(String args[]){
  
  Square s1 = new Square();
  s1.setData(10);
  s1.getArea();
  
  Square s2 = new Square();
  s2.setData(4);
  s2.getArea();
 }
}