Java实现中英文词典功能 Java实现中英文词典功能

【Java实现中英文词典功能】本文实例为大家分享了Java实现中英文词典功能的具体代码，供大家参考，具体内容如下
功能如下： 1、可以向词典中增加中英文单词，并提供修改和删除功能
2、完成输入中文查询英文的功能，如果没有提示没有查到
3、完成输入英文查询中文的功能，如果没有提示没有查到
4、功能的选择使用文字菜单完成，每个操作要求有明确的操作提示和结果演示，以及结果演示的暂停。

代码实现：

import java.util.Objects; import java.util.HashMap; import java.util.Scanner; //单词模型类class Word {private String name; private String meaning; public Word() {}public Word(String name, String meaning) {this.name = name; this.meaning = meaning; }public String getName() {return name; }public void setName(String name) {this.name = name; }public String getMeaning() {return meaning; }public void setMeaning(String meaning) {this.meaning = meaning; }@Overridepublic boolean equals(Object o) {if (this == o) return true; if (o == null || getClass() != o.getClass()) return false; Word word = (Word) o; return Objects.equals(name, word.name) && Objects.equals(meaning, word.meaning); }@Overridepublic int hashCode() {return Objects.hash(name, meaning); }}//CURDclass Dictionary {private HashMap ch = null; private HashMap en = null; //初始化public Dictionary() {this.ch = new HashMap(); this.en = new HashMap(); }//添加中文单词public void addChWord() {System.out.println("请输入单词名称"); Scanner sc = new Scanner(System.in); String name = sc.next(); if (ch.containsKey(name)) {System.out.println("这个单词已存在，请重试"); } else {System.out.println("请输入这个单词的英文翻译"); String meaning = sc.next(); ch.put(name, new Word(name, meaning)); System.out.println("添加成功"); }backMenu(); }//添加英文单词public void addEnWord() {System.out.println("请输入单词名称"); Scanner sc = new Scanner(System.in); String name = sc.next(); if (en.containsKey(name)) {System.out.println("这个单词已存在，请重试"); } else {System.out.println("请输入这个单词的中文翻译"); String meaning = sc.next(); en.put(name, new Word(name, meaning)); System.out.println("添加成功"); }backMenu(); }//改变中文单词public void changeCh() {System.out.println("请输入您要修改的中文单词"); Scanner sc = new Scanner(System.in); String name = sc.next(); boolean flag = ch.containsKey(name); if (!flag) {System.out.println("您要修改的中文单词不存在，请输入任意字母返回"); sc.next(); } else {System.out.println("请输入修改后的内容"); String meaning = sc.next(); ch.put(name, new Word(name, meaning)); System.out.println("修改成功"); }backMenu(); }//改变英文单词public void changeEn() {System.out.println("请输入您要修改的英文单词"); Scanner sc = new Scanner(System.in); String name = sc.next(); boolean flag = en.containsKey(name); if (!flag) {System.out.println("您要修改的英文单词不存在，请输入任意字母返回"); sc.next(); } else {System.out.println("请输入修改后的内容"); String meaning = sc.next(); en.put(name, new Word(name, meaning)); System.out.println("修改成功"); }backMenu(); }//删除中文单词public void deleteCh() {System.out.println("请输入您要删除的中文单词"); Scanner sc = new Scanner(System.in); String name = sc.next(); if (ch.remove(name) != null)System.out.println("删除成功"); elseSystem.out.println("您要删除的单词不存在，请重试"); backMenu(); }//删除英文单词public void deleteEn() {System.out.println("请输入您要删除的英文单词"); Scanner sc = new Scanner(System.in); String name = sc.next(); if (en.remove(name) != null)System.out.println("删除成功"); elseSystem.out.println("您要删除的单词不存在，请重试"); backMenu(); }//查询中文单词的翻译public void seachEn() {System.out.println("请输入您要查询的中文单词"); Scanner sc = new Scanner(System.in); String name = sc.next(); boolean flag = ch.containsKey(name); if (!flag) {System.out.println("您要查询的中文单词不存在,请重试"); } else {Word word = ch.get(name); System.out.println(name + "的英文翻译是" + word.getMeaning()); }backMenu(); }//查询英文单词的中文翻译public void seachCh() {System.out.println("请输入您要查询的英文单词"); Scanner sc = new Scanner(System.in); String name = sc.next(); boolean flag = en.containsKey(name); if (!flag) {System.out.println("您要查询的英文单词不存在,请重试"); } else {Word word = en.get(name); System.out.println(name + "的中文翻译是" + word.getMeaning()); }backMenu(); }public void backMenu() {System.out.println("请输入9返回菜单"); Scanner sc = new Scanner(System.in); sc.next(); System.out.println(); }}//测试类public class MainClass {public static void main(String[] args) {Dictionary myDictionary = new Dictionary(); while (true) {System.out.println("————————欢迎使用中英文词典系统————————"); System.out.println("1.添加中文单词"); System.out.println("2.添加英文单词"); System.out.println("3.修改中文单词"); System.out.println("4.修改英文单词"); System.out.println("5.删除中文单词"); System.out.println("6.删除英文单词"); System.out.println("7.查询中文单词翻译"); System.out.println("8.查询英文单词翻译"); System.out.println("9.退出系统"); System.out.println("请输入你的选择："); Scanner sc = new Scanner(System.in); int i = sc.nextInt(); switch (i) {case 1:myDictionary.addChWord(); break; case 2:myDictionary.addEnWord(); break; case 3:myDictionary.changeCh(); break; case 4:myDictionary.changeEn(); break; case 5:myDictionary.deleteCh(); break; case 6:myDictionary.deleteEn(); break; case 7:myDictionary.seachEn(); break; case 8:myDictionary.seachCh(); break; case 9:System.out.println("谢谢使用"); System.exit(0); }}}}

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