返回與數組中連續序列相匹配的第一類索引

Question

我的對象如下所示：請注意，這不是家庭作業，而是我自己正在做的Web項目。所以幫助將不勝感激！

enum size { small, big; } 

Class Controller 
{ 
    size sizeType; 
} 

Class square extends shape 
{ 
    int num = 1; 
} 

Class circle extends shape 
{ 
    int num=2; 
    size size = size.Small; 
} 

void method() 
{ 
    Controller[] sizes = new Controller[n]; 
    // e.g. shape = {small, big, small, small, big} 

    Shape circle = new Shape(); 
    /* Find 2 'small' continuous circles 
     OR find 'size' based on the num value 
     (circle has 2 but should be able to accept 
     any integer = num declared in the shape class */ 

    // RETURN occurrence of first such index for e.g. 2 as found in 2,3  
} 

Answer 1

你的代碼真正的問題：你完全破壞對象的層次結構。

首先第一件事情，這裏有一些小的修正，根據我的猜測，你打算什麼：

enum SizeType { SMALL, BIG; } 

class Shape { 
    SizeType size; 
} 

class Square extends Shape { 
    int num = 1; 
} 

class Circle extends Shape { 
    int num = 2; 
    SizeType size = SizeType.SMALL; 
} 

int findShapeSequence(Shape[] shapes) { 
    // TODO find the first instance of a repeated size value in the array, 
    // and return the index of the first of the shapes whose size repeats. 
} 

現在，這個被清除，它應該很容易爲你找出如何實際上做你想要的方法。