int based datatype

Floating points area of circle |Area of cricle using decimal types | real types | floating points

public class RealNumbers {
	
	public static void main( String []  args )
	
	{
		double d;   // range  two power 64
		float f ;  //range  two power 32
		
		d=3.140000000000000000000000000000002d;
		
		f=6.5f;
		float f1= 1.234567890122222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222f;
		System.out.println("float f1:\n" + f1);
		System.out.println("double: \n" + d);
		
		// compute area of circle pie r square 
		
		double pietop= 22.00d;
		double piedwon=7.0d;
		double r  = 3d;
		
		System.out.println("AREA OF CIRCLE OF RADIUS 3 is ");
		System.out.println(((pietop/piedwon) * r* r));
		System.out.println("--------------------------------");
		
	}
	/*
	 * 
	 * out put of the program
float f1:
1.2345679
double: 
3.14
AREA OF CIRCLE OF RADIUS 3 is 
28.285714285714285
--------------------------------
	 */

}

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