Object Oriented Programming Through Java by Pearson

Specifying Private Access Specifiers and Use of Public Methods 5.11

42. }

43. }// end of Polar1Demo

Output: Enter Cartesian form Vector Details <real number a>: 3

Enter Imaginary <b> : 4

Enter magnitude <r> :

Inside the classes member function .

magnitude <r> :12.5Angle<t>53.13010235415598

Line Nos. 5 to 8: declare the attributes as private and type double.

Line Nos. 10 to 20: defines a method for GetData() that obtains data from

keyboard using Biffered Reader at Line No. 12. It also uses

try and catch blocks at Line Nos. 11 and 19.

Line Nos. 23, 24 and 26: use Math class methods like sqrt, atan and toDegrees

Notice that when we refer to priv ...