equals() , which java.lang.String overrides with a value-based implementation. If you instantiated objects which don't override Object.equals() ... ... <看更多>

Java ArrayList indexOf () 方法 ... ArrayList 类方法 indexOf(Object o) 用于查找列表中特定元素的索引。 ... 如果列表中不存在指定的元素，则此方法返回 -1。 ... <看更多>

Java ArrayList Tutorial #6 | indexOf() and lastIndexOf() Method in Java Collection | Java Tutorial in ... ... <看更多>

ArrayList in Java has a get(int index) method. int is a signed 32 bit value, with a maximum value of 2,147,483,647. That is the largest possible value that ... ... <看更多>

ArrayList 可提供動態的空間大小，有新增和刪除等功能可使用，亦可在ArrayList內 ... ArrayList arrayList = new ArrayList(); ... indexOf(T), (int)尋找元素T的位置. ... <看更多>