whats wrong with mine,and why?
package zh.codegym.task.task04.task0405;
/*
设置猫的数量
*/
public class Cat {
private static int catCount = 0;
public static void setCatCount(int catCount) {
this.catCount = catCount;//在此编写你的代码
}
public static void main(String[] args) {
}
}