好了,所以我做了一个简单的程序,实践中的java多类,但我不beeing能够找到这个问题的解决方案:使2个变量等于函数,VAR 1自动变更值VAR2
我有2 int[][]
变量(坐标),coords1
和coords2
,都等于谁问的坐标输入功能,
奇怪的部份是第一个输入后,coords1
得到它的值,然后我输入coords2
,这也得到它的价值,但在同一时间coords1
会自动获得相同的值coords2
,我不知道为什么,这里的代码:
if(simbolo.equals("circulo") || simbolo.equals("Circulo") || simbolo.equals("Circle") || simbolo.equals("circle")){
circulo.setColour();
colour1 = circulo.getColour();
circulo.setColour(); //circulo 2
colour2 = circulo.getColour();
coords1 = circulo.getCoords(); //IMPORTANT PART
System.out.println("coords1: " + coords1[0][0] + " " + coords1[0][1]);//IMPORTANT PART
coords2 = circulo.getCoords();//circulo2 //IMPORTANT PART
//System.out.println("coords2: " + coords2[0][0] + " " + coords2[0][1]);
System.out.println("2-coords1: " + coords1[0][0] + " " + coords1[0][1]);//IMPORTANT PART
circulo.setRaio();
r1 = circulo.getRario();
circulo.setRaio(); //circulo2
r2 = circulo.getRario();
area1 = calcCircleArea(r1);
perimetro1 = calcCirclePerimeter(r2);
area2 = calcCircleArea(r1);//circulo2
perimetro2 = calcCirclePerimeter(r2);
distance = Distance(coords1, coords2);
System.out.println("A distância entre os centros dos círculos é: " + distance);
intersection = Intersects(distance, r1, r2);
System.out.println(intersection);
}
第一System.out.println("coords1: " + coords1[0][0] + " " + coords1[0][1]);
会让我比System.out.println("2-coords1: " + coords1[0][0] + " " + coords1[0][1]);
这里不同的值的函数setCoordinates()
:
public int[][] center = new int[1][2];
Scanner scan = new Scanner(System.in);
public int[][] setCoordinates(){
System.out.println("Introduza a coordenada do centro: x ");
center[0][0] = scan.nextInt();
System.out.println("y: ");
center[0][1] = scan.nextInt();
System.out.println("Centro atual: " + Arrays.toString(center[0]));
return center;
}
类功能circulo
getCoords()
只能从这个返回值。
编辑:"IMPORTANT PART"
是我用这些变量
一定有什么东西我不这样做的权利,但在哪里?
谢谢