topic:
A source code
1.rec。java
/ ***
* @author X1393
* Create class contains rec
* l rectangular member variable length
* width h is a member variable rectangular
* member variable rectangular area area
* seeking methods funC perimeter of a rectangle
* /
public class {REC
Double L;
Double H;
public Double FUNC () {// find the rectangular perimeter
return 2 + 2 * L * H;
}
}
2.squa。java
/ **
* Create a rectangular square class category subclass rec squ class contains
methods square area demand *
* find the circumference rewriting rectangular perimeter squares method seeking
* /
public class SQUA the extends rec {
public Double FunArea for (A Double ) {
return A * A;
}
public Double FUNC (Double A) {// find the circumference rectangular rewriting method
return. 4 * A;
}
}
3.Tset。java
/ **
* Create master class contains a main method
* squa define an object class rectangle whose T
* find the area and perimeter requirements call a method of obtaining a square perimeter and area
* /
Import java.util.Scanner;
public class Tset is {
/ **
* @param args
* /
public static void main (String [] args) {
// the TODO Auto-Generated Stub Method
System.out.println ( "square side length");
Scanner Scanner Reader new new = (the System.in) ;
Double reader.nextDouble X = ();
SQUA SQUA new new = T (); // definition of the object class square T
System.out.println ( "area of" + T.funarea (X));
System.out.println ( "circumference" + T.funC (X));
}
}
Second, the operating results
