单选题Which line contains a constructor in this class definition?()   public class Counter { // (1)   int current, step;   public Counter(int startValue, int stepValue) { // (2)   set(startValue);   setStepValue(stepValue);  }   public int get() { return cur

题目
单选题
Which line contains a constructor in this class definition?()   public class Counter { // (1)   int current, step;   public Counter(int startValue, int stepValue) { // (2)   set(startValue);   setStepValue(stepValue);  }   public int get() { return current; } // (3)   public void set(int value) { current = value; } // (4)   public void setStepValue(int stepValue) { step = stepValue; } // (5)  }
A

Code marked with (1) is a constructor

B

Code marked with (2) is a constructor

C

Code marked with (3) is a constructor

D

Code marked with (4) is a constructor

E

Code marked with (5) is a Constructor


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