java错误:范围中没有BPN类型的封闭实例{
class BPN {
public class BackpropagationNet extends NeuralNet
{
Vector neuronLayerVector;
NeuronLayer[] neuronLayerArray;
//...
public BackpropagationNet()
{
this.learningCycle = 0;
this.maxLearningCycles = -1;
//....
resetTime();
}
//some functions
void addNeuronLayer(int paramInt)
{//.... }
void connectLayers()
{//....}
}
abstract class NeuralNet
{
final int PATTERN_LENGTH = 100;
final int PATTERN_VALUE = 101;
final int PATTERNFILE_LENGTH = 102;
final int GENERAL_IO = 104;
//....
}
static BackpropagationNet bpn;
public static void main ( String[] args ) {
// some logic...
bpn = new BackpropagationNet();
//...
}
}
好的,这是一个简短的程序,它应该演示这个问题。 当我尝试编译时,收到以下错误: 范围{(第9行)中没有BPN类型的封闭实例
# 1 楼答案
从类中删除static关键字,顶级类不能声明为static类