public class Graph {
    Axis Ox=new Axis();
    Axis Oy=new Axis();
    Grid grid=new Grid();
    Legend legend=new Legend();

    void CreateGraph(Curve curve,int a,int b){
     Legend legend1=new Legend();
     legend1.AddLegend(curve);
     this.legend=legend1;
     Ox.ChangeAxis(0,10,1);
     Oy.ChangeAxis(0,10,1);
     Ox.show();
     Oy.show();
     curve.Tab(a,b);
     grid.CreateGrid(Ox,Oy);
     grid.show();
    }
    void addCurve(Curve curve,int a,int b){
        Legend legend2=new Legend();
        legend2.AddLegend(curve);
        curve.Tab(a,b);
    }
}


class Axis{
    private double a;
    private double b;
    private double step;
    double getA(){
        return a;
    }
    double getB(){
        return b;
    }
    double getStep(){
        return step;
    }
    Axis(){}
    Axis(double start,double end,double mystep){
        this.a=start;
        this.b=end;
        this.step=mystep;
    }
    void ChangeAxis(double start,double end,double mystep){
        this.a=start;
        this.b=end;
        this.step=mystep;
    }
    void show(){
        System.out.println("Начало оси: "+a);
        System.out.println("Конец оси: "+b);
        System.out.println("Шаг оси: "+step);
        System.out.println();
    }
}

public class Curve {
    double[] x;
    double[] y;
  private  String name;
  private  String color;
    String getName(){
        return name;
    }
    String getColor(){
        return color;
    }
    Curve(double x1[],double y1[],String name1,String color1){
        this.x=x1;
        this.y=y1;
        this.name=name1;
        this.color=color1;
    }
    void Tab(int a,int b){
        for(int i=a;i<b;i++){
            System.out.println("x: "+x[i]+"   "+"y: "+y[i]);
        }
        System.out.println();
    }
}

import java.sql.SQLOutput;

public class Grid {
    private double step1=0;
    private double step2=0;
    private double step3=0;
    double getStep1(){
        return step1;
    }
    double getStep2(){
        return step2;
    }
    double getStep3(){
        return step3;
    }
    void CreateGrid(Axis Ox, Axis Oy) {
        this.step1=Ox.getStep();
        this.step2=Oy.getStep();
    }
    void show(){
        System.out.println("Шаг 1: "+getStep1());
        System.out.println("Шаг 2: "+getStep2());
        System.out.println("Шаг 3: "+getStep3());
        System.out.println();
    }
}

public class Legend {
void AddLegend(Curve curve){
    System.out.println("Легенда: ");
    System.out.println("----- "+curve.getName());
    System.out.println();
}
}