outputing animals powers with classes

Animals_MainActivity.java

package com.example.deniz.app4;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        TextView txtanimal = (TextView)findViewById(R.id.txtanimal);
        TextView txtcat = (TextView)findViewById(R.id.txtcat);
        TextView txtlion = (TextView)findViewById(R.id.txtlion);
        TextView txtleo = (TextView)findViewById(R.id.txtleo);
        TextView txtbird = (TextView)findViewById(R.id.txtbird);

        animal animal1 = new animal("tiger", "orange", 80,40);

        txtanimal.setText(animal1.toString());

        cat cat1 = new cat ("Mia", "white", 100, 10, 4, true);

        txtcat.setText(cat1.toString());

        lion lion1 = new lion ("King of the forest", "golden", 90, 50 , 4 ,true , true);

        txtlion.setText(lion1.toString());

        leopard leopard1 = new leopard("Leo","Gold Black spots", 60, 70, 4,true,"Sharp");

        txtleo.setText(leopard1.toString());

        bird bird1 = new bird ("CivCiv", "Yellow", 1 , 5,false ,2);

        txtbird.setText(bird1.toString());
    }
}

app4_animal.java

package com.example.deniz.app4;

/**
 * Created by deniz on 23/03/2018.
 */

public class animal {

    private final String name;
    private final String color;
    private int power;
    private int speed;

    public animal (String name, String color, int power, int speed){

        this.name = name;
        this.color = color;
        this.power = power;
        this.speed = speed;

    }

    public String getName() {
        return name;
    }
    public String getColor() {
        return color;
    }
    public void setPower(int power){
        this.power=power;
    }
    public int getPower(){
        return power;
    }
    public void setSpeed(int speed){
        this.speed=speed;
    }
    public int getSpeed(){
        return speed;
    }
    public int value(int power, int speed){
        int result;
        return result = power * speed / 100;
    }

    @Override
    public String toString() {
        return String.format("%s: %s %s: %s Power: %d Speed: %d Value: %d ", "Name" , name, "Color", color, power, speed,value(power,speed));
    }
}

app4_bird.java

package com.example.deniz.app4;

/**
 * Created by deniz on 23/03/2018.
 */

public class bird extends animal {

   private final boolean canfly;
    private int wing;

    public bird (String name, String color, int power, int speed,boolean canfly, int wing){

        super(name , color , power, speed);

        this.canfly = canfly;
        this.wing = wing;

    }

    public boolean getCanfly() {
        return canfly;
    }

    public int getWing() {
        return wing;
    }

    public void setWing(int wing) {
        this.wing = wing;
    }

    @Override
    public String toString() {
        return super.toString() + String.format("canfly?: %b wing(s): %d",canfly,wing);
    }
}

app4_cat.java

package com.example.deniz.app4;

/**
 * Created by deniz on 23/03/2018.
 */

public class cat extends animal {


    private final int numberoflegs;
    private boolean canhunt;

    public cat(String name,String color, int power, int speed, int numberoflegs , boolean canhunt  ){

        super(name, color, power, speed);
        this.numberoflegs = numberoflegs;
        this.canhunt = canhunt;
    }


    public int getNumberoflegs() {
        return numberoflegs;
    }

    public boolean getCanhunt() {
        return canhunt;
    }

    public void setCanhunt(boolean canhunt) {
        this.canhunt = canhunt;
    }
    /*
    in order to use it change values private to protected
    public String somevalue(){

        return "name: " + name + " color: " + color + "power: " + power + "speed: " + speed;
    }
    */
    @Override
    public String toString(){

        return super.toString() + String.format(" Legs: %d canhunt?: %b ",numberoflegs,canhunt);

    }

}

app4_leopard.java

package com.example.deniz.app4;

/**
 * Created by deniz on 23/03/2018.
 */

public class leopard extends cat {

    private String claws = "sharp";

    public leopard(String name, String color, int power, int speed, int numberoflegs, boolean canhunt, String claws){

        super(name , color , power , speed , numberoflegs , canhunt);

        this.claws = claws;

    }

    public String getClaw(){
        return claws;
    }
    public void setClaws(String claws){
        this.claws = claws;
    }

    @Override
    public String toString() {
        return super.toString() + String.format(claws);
    }
}

app4_lion.java

package com.example.deniz.app4;

/**
 * Created by deniz on 23/03/2018.
 */

public class lion extends cat {

    private boolean brave;



    public lion(String name, String color , int power, int speed, int numberoflegs, boolean canhunt, boolean brave){

        super(name , color , power , speed , numberoflegs , canhunt);

        this.brave = brave;

    }

    public boolean getBrave() {
        return brave;
    }

    public void setBrave(boolean brave) {
        this.brave = brave;
    }

    @Override
    public String toString() {
        return super.toString() + String.format("Braveness: ", brave);
    }
}