arraylist

英文: How should I go about printing all elements in an ArrayList via a toString in a formatted manner...

英文: Maximum Sum Pairs Array List using heap 问题 import java.io.*; import java.util.*; public class So...

英文: How to add/append new rows from Array1[][] that do not exist in Array2[][] to Array2[][] in Java...

英文: Add different size arrays to ArrayList Java 问题 以下是您提供的代码的翻译部分： static { try { Scanner scanner = ...

英文: Java Map.containsKey(ArrayList) returns false in one line and true in the next 问题 我有一个 HashMap&l...

英文: How to create an Array of this class that implements 3 interfaces? 问题 我正在练习多态、继承和接口，所以我决定创建一个名为“...

英文: Why is there no output getting displayed? Here I am trying to display two strings in alternate p...

英文: Edit arraylist with the number not the index 问题 如何通过值而不是索引号来编辑ArrayList？使用arraylist.set(93, 92) ...

英文: Is there a better way to create a method that finds whether or not an integer value exists in an...

英文: Comparing a String against values in a List<Integer> 问题 我有两个值，5和6，都是整数，它们是ArrayList的一部分。我还...