public class Contract {
//...
private int id;
//...
private static int nextContractID = 0;
public Contract(String employer, int hours){
//...
this.id = Contract.nextContractID++;
}
//...
}
public class Contract {
//...
private int id;
//...
private static int nextContractID = 0;
public Contract(String employer, int hours){
//...
this.id = Contract.nextContractID++;
}
//...
}
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