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23 lines
389 B
23 lines
389 B
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace DerivedClass
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{
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class DerivedA : AbstractClass
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{
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private int no = 1;
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public override int GetFirst()
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{
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return no;
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}
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public override int GetNext()
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{
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return ++no;
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}
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}
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}
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