第四次JAVA作业

package AAA;

class testPor1 {
private int a,b;

public int getA() {
    return a;
}

public void setA(int a) {
    this.a = a;
}

public int getB() {
    return b;
}

public void setB(int b) {
    this.b = b;
}
public void print(){
    System.out.println("上个月电数为："+a+"本月电数为："+b+"本月电费为："+1.2*b);
}

}
public class Dianbiao{
public static void main (String[]args){
testPor1 p1=new testPor1();
p1.setA(1000);
p1.getA();
p1.print();
testPor1 p2=new testPor1();
p2.setA(1000);
p2.getA();
p2.setB(1200);
p2.getB();
p2.print();

}
}