java program 4
itprofessionalsrocks.blogspot.com java program 4: a simple program demonstrating use of super . class rectangle { float height; float breadth; rectangle(float h,float b) { height=h; breadth=b; } double area() {return height*breadth; } class rectweight extends rectangle { float weight; rectweight(float h,float b,float w) { super(h,b); weight=w; } } class super1 { public static void main(String args[]) { rectweight obj=new rectweight(10,20,50); double are; are=obj.area(); System.out.println("area is"+are); } }