要求在测试类中实例化自行车类,并进行实例化对象数量的统计
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- qfl_sdu 2021-10-06 10:00关注
自行车类
public class Bycircle { private String mBrand; private int mPrice; private String mXh; public static int count = 0; public Bycircle(String b,int p,String xh){ mBrand = b; mPrice = p; mXh = xh; count++; } @Override public String toString() { return "Bycircle [mBrand=" + mBrand + ", mPrice=" + mPrice + ", mXh=" + mXh + "]"; } public String getmBrand() { return mBrand; } public void setmBrand(String mBrand) { this.mBrand = mBrand; } public int getmPrice() { return mPrice; } public void setmPrice(int mPrice) { this.mPrice = mPrice; } public String getmXh() { return mXh; } public void setmXh(String mXh) { this.mXh = mXh; } }
测试类:
import java.util.Scanner; public class Test2 { public static void main(String[] args) { Bycircle b1 = new Bycircle("小刀",2000,"xx1"); Bycircle b2 = new Bycircle("小刀",2001,"xx2"); System.out.println(b1); System.out.println(b2); System.out.println("数量:"+b2.count); } }
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