摘要：
1 package collection.map; 2 3 4 public class Student { 5 private String name; 6 private String classNo; 7 private double score; 8 ... 阅读全文
摘要：
package collection.map;public class Letter { public String name; public int count; } package collection.map;/* * 统计每个单词出现的次数 * "分拣" 思路 * 1、为所有key创建容器... 阅读全文