B.java

public class B {
    private int B1;
    private float B2;

    public B (int B1, float B2) {
        this.B1 = B1;
        this.B2 = B2;
    }

    public int getB1() {
        return B1;
    }

    public void setB1(int b1) {
        B1 = b1;
    }

    public float getB2() {
        return B2;
    }

    public void setB2(float b2) {
        B2 = b2;
    }

    public void MB1() {
        System.out.println("MB1");
    }

    public void MB2() {
        System.out.println("MB2");
    }

    public void MB3() {
        System.out.println("MB3");
    }
}