Java 代码中的 visited 含义及用法,有没有哪里可以找到帮助文档啊?
如:
public String toString(Object obj){
if(null == obj){
return "null";
}
if(visited.contains(obj)){
return "...";
}
visited.add(obj);
class cl = obj.getClass();
if( cl == String.class ){
return (String)obj;
}
}visited 看不明白,请高手提示哈
如:
public String toString(Object obj){
if(null == obj){
return "null";
}
if(visited.contains(obj)){
return "...";
}
visited.add(obj);
class cl = obj.getClass();
if( cl == String.class ){
return (String)obj;
}
}visited 看不明白,请高手提示哈
JAVA中没有这个关键字~~
if(null == obj){
return "null";
} if(visited.contains(obj)){
return "...";
} visited.add(obj);
class cl = obj.getClass(); if( cl == String.class ){
return (String)obj;
} private ArrayList<Object> visited = new ArrayList<Object>();
};哦,明白了,原始是后面的泛型定义的!
谢谢2位提示啊!