java的类和常用编程模式还是要多练习,多手写java代码 return new String(filecontent, encoding); 看懂这个意思了吗?第一次见这个构造函数吧,而String可以说是最常用的类了,但是这个构造方法却是第一次见. The caret ("^") is used in two different ways, one to signal the start of the text, one to negate a character match in
package mooc_java进阶_d3周题; /** * 没有使用HashMap */ import java.util.ArrayList; import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); String stopSymbol = "###"; int cityNumbers = 0