Java List. Remove() method: removes the specified element from the list
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Java
Grammar 1
remove(int index)
Example
public static void main(String[] args){ List<String>list = new ArrayList<String>(); list.add("苹果"); //向列表中添加数据 list.add("草莓"); //向列表中添加数据 list.add("香蕉"); //向列表中添加数据 String str = list.remove(1);/ /移除索引位置为1的元素 System.out.println("我不爱吃的水果是:"+str); Iterator it = list.iterator(); //获取集合的Iterator对象 System.out.println("爱吃的水果是:"); while(it.hasNext()){ //遍历Iterator对象 System.out.println(it.next()); //输出Iterator对象中元素 } }
Grammar 2
remove(Object o)
Example
public static void main(String[] args){ List<String>list = new ArrayList<String>(); list.add("保护环境"); //向列表中添加数据 list.add("爱护地球"); //向列表中添加数据 list.add("从我做起"); //向列表中添加数据 boolean ret = list.remove("从我做起"); //移除指定元素 if(ret){ System.out.println("元素被移除成功"); }else{ System.out.println("列表中不包含此元素"); } }
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