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工厂方法 #246

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13 changes: 12 additions & 1 deletion src/main/java/com/github/hcsp/encapsulation/Cat.java
Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,11 @@ public class Cat {
private String name;
private int age;

public Cat(String name, int age) {
this.name = name;
this.age = age;
}

/**
* 创建一只猫的工厂方法。当传入的参数无效,即:
*
Expand All @@ -18,7 +23,13 @@ public class Cat {
* @param name 名字
* @return 创建的猫
*/
public static Cat newCat(String name, int age) {}
public static Cat newCat(String name, int age) {
if(name == null || age< 0.2 ){
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'if' 后应有空格。
'<' 前应有空格。
')' 前不应有空格。
'{' 前应有空格。

return INVALID_CAT;
}else {
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'}' 后应有空格。
'else' 前应有空格。

return newCat(name,age);
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',' 后应有空格。

}
}

public String getName() {
return name;
Expand Down