数组常量只能在初始化器中尝试初始化数组时使用?
问题描述:
考虑以下几点:数组常量只能在初始化器中尝试初始化数组时使用?
public class Actions
{
private MyMatrix matrix_1;
private MyMatrix matrix_2;
private MyMatrix transformMatrix;
private final int VW = 40;
private final int VH = 40;
public static double[][] translateMatrixArr;
public Edge doTransofrm(double xPoint,double yPoint,Edge myEdge,int transformType)
{
switch(transformType)
{
case 1:
// initializations
Actions.translateMatrixArr = {{1.,0.,xPoint},{0.,1.,yPoint},{0.,0.,1.}};
break;
case 2:
Actions.translateMatrixArr = // something else
break;
case 3:
Actions.translateMatrixArr = // something else
}
return null;
}
...
}
我试图做的像什么@joschi说here,但它不工作。任何方式在这个?
问候
答
您需要使用new
创建数组的实例:
Actions.translateMatrixArr = new double[][]{
new double[] {1.,0.,xPoint}
, new double[] {0.,1.,yPoint}
, new double[] {0.,0.,1.}
};
“我试图做的像什么@joschi在这里说,但它不工作”不工作,什么意思? – 2014-04-29 07:53:30