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water11

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[求助] Java程序没有错误，但不显示结果，求指点。已有1人参与

java程序运行（环境Eclipse）时没有提示错误, 但是不显示结果，不明所以，请大家帮帮忙，非常感谢。

Person.java代码如下：
public class Person {
private boolean IsConsuming;
private boolean IsConcerned;
private int LastTimeChangeConcernedFromConsumingToNonConsuming;
private ContinuousSpace <Object> mySpace; // handle for the space

public Person(ContinuousSpace <Object> space, boolean consuming, boolean concerned){
IsConsuming=consuming;
IsConcerned=concerned;
mySpace = space;
LastTimeChangeConcernedFromConsumingToNonConsuming = 0;
}
@ScheduledMethod (start=1, interval=1 )
public void step () {
LastTimeChangeConcernedFromConsumingToNonConsuming++;
}
private void NonConcernedChangeFromConsumingToNonConsuming () {
if (IsConcerned == false) {
double rnd = RandomHelper.nextDouble();
if (rnd < 0.1) {
IsConsuming = !IsConsuming;
}
}
}
private void ConsumingChangeFromNonConcernedToConcerned () {
if (IsConcerned == false) {
Context <Object> context = ContextUtils.getContext(this);
Network <Object> net = (Network<Object>

context.getProjection ("communication"

;

Iterable<Object> neighbours = net.getAdjacent(this);
for (Object obj : neighbours) {
boolean neighbourConcernStatus = ((Person) obj).GetConcernStatus();
if (neighbourConcernStatus == true) {
IsConcerned = true;
}
}
}
}
private void ConcernedChangeFromConsumingToConsuming () {
if ((IsConcerned == true) && (IsConsuming == true)) {
Context <Object> context = ContextUtils.getContext(this);
Network <Object> net = (Network<Object>

context.getProjection ("communication"

;

int number_of_neighbours = 0;
int number_of_noncons = 0;
Iterable<Object> neighbours = net.getAdjacent(this);
for (Object obj : neighbours) {
number_of_neighbours++;
boolean neighbourConsumingStatus = ((Person) obj).GetConsumingStatus();
if (neighbourConsumingStatus == false) {
number_of_noncons++;
}
}
if (number_of_noncons == number_of_neighbours) {
IsConsuming = false;
LastTimeChangeConcernedFromConsumingToNonConsuming = 0;
}
}
}
private void NonConsumingChangeFromConcernedToNonConcerned () {
if ((IsConcerned == true) && (IsConsuming ==false) && (LastTimeChangeConcernedFromConsumingToNonConsuming > 20)) {
IsConcerned = false;
}
}
public boolean GetConcernStatus() {
return IsConcerned;
}
public boolean GetConsumingStatus() {
return IsConsuming;
}
}
MyStyle.java代码如下：
public class MyStyle extends DefaultStyleOGL2D {
@Override
public Color getColor(Object obj) {
if (obj instanceof Person) {
Person agent = (Person) obj;
if (agent.GetConsumingStatus() == true) {
return Color.BLUE;
}
else {
return Color.RED;
}
}
else {
return null;
}
}
@Override
public VSpatial getVSpatial(Object obj, VSpatial shape) {
if (obj instanceof Person) {
Person agent = (Person) obj;
if (agent.GetConcernStatus() == true) { // consuming
return shapeFactory.createRectangle(10, 10); // cubic
}
else {
return shapeFactory.createCircle(3, 10);
}
}
else {
return null;
}
}
}
MyContextBuilder.java代码如下：
public class MyContextBuilder implements ContextBuilder<Object> {
public Context build(Context<Object> context) {
ContinuousSpaceFactory spaceFactory = ContinuousSpaceFactoryFinder.createContinuousSpaceFactory(null);
ContinuousSpace <Object> space = spaceFactory.createContinuousSpace ("space", context, new SimpleCartesianAdder<Object>(),
new repast.simphony.space.continuous.WrapAroundBorders(), new double[]{1, 1});

for (int i=1; i<=3; i++){
Person p = new Person(space, true, true);
context.add(p);
}
for (int i=1; i<=3; i++){
Person p = new Person(space, true, false);
context.add(p);
}
for (int i=1; i<=47; i++){
Person p = new Person(space, true, false);
context.add(p);
}
for (int i=1; i<=47; i++){
Person p = new Person(space, false, false);
context.add(p);
}
// create network projection
NetworkBuilder <Object> netBuilder = new NetworkBuilder<Object>("communication", context, false);

NetworkGenerator gen;
gen = new WattsBetaSmallWorldGenerator(0.25, 8, false); // prob connected, degree, symmetrical = false
netBuilder.setGenerator(gen);
netBuilder.buildNetwork();

RunEnvironment.getInstance().endAt(1000);
return context;
}
}

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erghper

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【答案】应助回帖

你给的代码看不出啥问题，我觉得关键是你要根据Java运行机制，一步一步去排除错误，比如你要调用某个方法，你最好在这个方法里面打印一下，程序是不是进入了这个方法等等

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