public TDVector() {
this.x=0;
this.y=0;
}
public TDVector(double x,double y){
this.x=x;
this.y=y;
}
public void setY(double z){
this.y=z;
}
public void setX(double z){
this.x=z;
}
public TDVector (TDVector b){
this.x=b.x;
this.y=b.y;
}
public TDVector add(TDVector c){
TDVector p = new TDVector();
p.x=this.x;
p.y=this.y;
p.x+=c.x;
p.y+=c.y;
return p;
}
public double getX(){
return x;
}
public double getY(){
return y;
}
}
本人Java学的不是很好，烦请各位帮忙解释一下个语句的意思好吗？
如果可以，还烦请各位与我讲解一下关于这一张的知识点，万分感谢
