Encapsulation of the program

ImportJava.util.Random; Public classFZ {Private intA; Private intb; intC;  Public intJiaintAintb) {System.out.println (""+a); System.out.println (""+b); C= A +b; System.out.println ("A +" + "B" + "=" + (a+b+ "\ n"))); returnC; }     Public intJianintAintb) {System.out.println (""+a); System.out.println (""+b); C=a-b; System.out.println ("A-" + "B" + "=" + (-a) + "\ n"); returnC; }     Public intCheng (intAintb) {System.out.println (""+a); System.out.println (""+b); C=a*b; System.out.println ("A *" + "B" + "=" + (a*b) + "\ n"); returnC; }     Public DoubleChu (intAintb) {DoubleC; C=(Double) (Math.Round (A/b) *100/100.0)); System.out.println (""+a); System.out.println (""+b); if(b!=0) System.out.println ("C=a/b=" + (c) + "\ n"); Else            Throw NewArithmeticException (); System.out.println ("The denominator cannot be 0!" "); returnC; }    /**     * @paramargs*/     Public Static voidMain (string[] args) {//TODO auto-generated Method StubFZ jia=NewFZ (); Jia.jia (5, 3); FZ Jian=NewFZ (); Jian.jian (6,2); FZ Cheng=NewFZ (); Cheng. Cheng (6,5); FZ Chu=NewFZ (); Chu. Chu (3,0); }}

Encapsulation of the program