arraylist

英文: How do I fix implementation error in JAVA VS code, "must implement the inherited abstract c...

英文: How to format this output? 问题 I have created a method, which is supposed to return a growing num...

英文: ArrayList constructor undefined when using nCopes(int, generic) 问题 我有以下的类： class Node<T exten...

英文: How to handle multiple arraylist value in a text file 问题 在下面的代码中，我试图创建一个文本文件，并在其中添加一些值的列表。我的方法是：...

英文: Why arrayList.contains() returns false for this usecase where as System.out.print() writes same ...

英文: ArrayList using the .add .size and .get methods cannot resolve methods why? 问题 大家好，我是新来的，不太确定之前是...

英文: How to check if arraylist tree in Java is empty or not? 问题 { private T data = null; // 创建一个树 pri...

英文: Add 10 names to array list and print them in reverse order using lamda expression 问题 这是我一直在尝试的代码...

英文: MOOC JAVA part 1 EXERCISE 101 (search functionality). Not getting the desired output 问题 以下是...

英文: Is there a difference between String[]::new and new String[] in java? 问题 我正在将一个ArrayList转换为数组，方法...