试题详情
- 单项选择题 public class Plant { private String name; public Plant(String name) { this.name = name; } public String getName() { return name; } } public class Tree extends Plant { public void growFruit() { } public void dropLeaves() { } } Which is true?()
A、 The code will compile without changes.
B、 The code will compile if public Tree() { Plant(); } is added to the Tree class.
C、 The code will compile if public Plant() { Tree(); } is added to the Plant class.
D、 The code will compile if public Plant() { this(”fern”); } is added to the Plant class.
E、 The code will compile if public Plant() { Plant(”fern”); } is added to the Plant class.
- D
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