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Merge pull request #11572 from hkhan/JAVA-8698-fix-bug-in-algorithm

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[JAVA-8698] Fix minor bug in algorithm
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kwoyke 2021-12-13 08:56:19 +01:00 committed by GitHub
commit 098701a66d
1 changed files with 3 additions and 2 deletions
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5
algorithms-genetic/src/main/java/com/baeldung/algorithms/ga/annealing/Travel.java
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@ -18,15 +18,16 @@ public class Travel {
} }
public void generateInitialTravel() { public void generateInitialTravel() {
if (travel.isEmpty()) if (travel.isEmpty()) {
new Travel(10); new Travel(10);
}
Collections.shuffle(travel); Collections.shuffle(travel);
} }
public void swapCities() { public void swapCities() {
int a = generateRandomIndex(); int a = generateRandomIndex();
int b = generateRandomIndex(); int b = generateRandomIndex();
previousTravel = travel; previousTravel = new ArrayList<>(travel);
City x = travel.get(a); City x = travel.get(a);
City y = travel.get(b); City y = travel.get(b);
travel.set(a, y); travel.set(a, y);