java语言一维数组，对象数组

/**
 * 对象数组的使用
 */
package com.test5;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;

public class Test2 {
	public static void main(String[] args) throws Exception{
	//定义一个可以存放四只狗的对象数组
	 Dog dogs[]=new Dog[4];
	 //给各个狗赋初值
	/* dogs[0]=new Dog();
	 dogs[0].setName("花花");
	 dogs[0].setWeigth(4.5f);
 */
	 InputStreamReader isr=new InputStreamReader(System.in);
	 BufferedReader br=new BufferedReader(isr);
	 for(int i=0;i<4;i++)
	{
		dogs[i]=new Dog();
		 System.out.println("请输入第"+(i+1)+"狗名");
	     //从控制台读取狗名
		 String name=br.readLine();
		 dogs[i].setName(name);
		 System.out.println("请输入体重");
		 String s_weight=br.readLine();
		 float weight=Float.parseFloat(s_weight);
		 //将名字赋给对象
		 dogs[i].setWeight(weight);
		 
	}
	 //计算平均体重
	 float allWeight=0;
	 for(int i=0;i<4;i++){
		allWeight+=dogs[i].getWeight(); 
	 }
	 float acWeight=allWeight/dogs.length;
	 System.out.println("总体中="+allWeight+"平均体重"+acWeight);
     //找出体重最大的狗
	 //假设第一只狗体重最大
	 float maxWeight=dogs[0].getWeight();
	 int maxIndex=0;
	 for(int i=1;i<dogs.length;i++){
		 if(maxWeight<dogs[i].getWeight()){
			 maxWeight=dogs[i].getWeight();
			 maxIndex=i;//下标改变
		 }
	 }
	 System.out.println("体重最大的够是第"+(maxIndex+1)+"体重是"+dogs[maxIndex].getWeight());
	}
}
 //定义一个狗类
 class Dog{
	 private String name;
	 private float weight;
	 public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public float getWeight() {
		return weight;
	}
	public void setWeight(float weight) {
		this.weight = weight;
	}
	 
	 
 }