单选题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.
单选题
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.
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