/**private class People{
private double height;
public double getHeight(){
return height;
}
public void setHeight(double newHeight){
height = newHeight;
}
}
**/
public class NewObject{
public static void main(String[] args){
People LiLei = new People();
LiLei.setHeight(170.0);
System.out.println("LiLei's height is:"+LiLei.getHeight());
}
}
你的类为啥要用private修饰呢？是内部类？
setter gettter方法不用自己写，eclipse，idea都有自动生成，自己写也行，而且外部无法访问私有类