单选题1. public class Target { 2. private int i = 0; 3. public int addOne() { 4. return ++i; 5. } 6. } And: 1. public class Client { 2. public static void main(String[] args) { 3. System.out.println(new Target().addOne()); 4. } 5. } Which change
题目
单选题
1. public class Target { 2. private int i = 0; 3. public int addOne() { 4. return ++i; 5. } 6. } And: 1. public class Client { 2. public static void main(String[] args) { 3. System.out.println(new Target().addOne()); 4. } 5. } Which change can you make to Target without affecting Client?()
A
Line 4 of class Target can be changed to return i++;
B
Line 2 of class Target can be changed to private int i = 1;
C
Line 3 of class Target can be changed to private int addOne() {
D
Line 2 of class Target can be changed to private Integer i = 0;
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