Fix mistake
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@ -35,7 +35,7 @@ interface Comparator<T> {
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```java
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```java
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class SortByHouseNumber implements Comparator<Adress> {
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class SortByHouseNumber implements Comparator<Adress> {
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public int compare(Adress a1, Adress a2){
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public int compare(Adress a1, Adress a2){
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return a.getHouseNumber - b.getHouseNumber;
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return a1.getHouseNumber - a2.getHouseNumber;
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}
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}
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}
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}
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```
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```
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