Village.javaclass Village{

static int treeAmount;

int peopleNumber;

String name;

Village(String s){

name = s;

}

void treePlanting(int n){

treeAmount = treeAmount+n;

System.out.println(name+"植树"+n+"棵");

}

void fellTree(int n){

if(treeAmount-n>=0){

treeAmount = treeAmount-n;

System.out.println(name+"伐树"+n+"棵");

}

else{

System.out.println("无树木可伐");

}

}

static int lookTreeAmount(){

return treeAmount;

}

void addPeopleNumber(int n){

peopleNumber = peopleNumber+n;

System.out.println(name+"增加了"+n+"人");

}

}

MainClass.java/*

* To change this template, choose Tools | Templates

* and open the template in the editor.

*/

/**

*

* @author 高晶

*/

public class MainClass {

/**

* @param args the command line arguments

*/

public static void main(String[] args) {

Village zhaoZhuang,maJiaHeZhi;

zhaoZhuang=new Village("赵庄");

maJiaHeZhi=new Village("马家河子");

zhaoZhuang.peopleNumber=100;

maJiaHeZhi.peopleNumber=150;

Village.treeAmount=200;

int leftTree = Village.treeAmount;

System.out.println("森林中有"+leftTree+"棵树");

zhaoZhuang.treePlanting(50);

leftTree=Village.lookTreeAmount();g

System.out.println("森林中有"+leftTree+"棵树");

maJiaHeZhi.fellTree(70);

leftTree=Village.lookTreeAmount();

System.out.println("森林中有"+leftTree+"棵树");

System.out.println("赵庄的人口"+zhaoZhuang.peopleNumber);

zhaoZhuang.addPeopleNumber(12);

System.out.println("赵庄的人口"+zhaoZhuang.peopleNumber);

System.out.println("马家河子的人口"+maJiaHeZhi.peopleNumber);

maJiaHeZhi.addPeopleNumber(10);

System.out.println("马家河子的人口"+maJiaHeZhi.peopleNumber);

// TODO code application logic here

}

}