Android Studio -从在Edittext中设置相同单词的多个记录中获取数据

<!-- res/layout/activity_main.xml -->
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:padding="16dp">

    <EditText
        android:id="@+id/editText"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint="输入文本" />

    <Button
        android:id="@+id/button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="查找相同单词" />

    <TextView
        android:id="@+id/resultTextView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:paddingTop="16dp" />
</LinearLayout>

// MainActivity.java
package com.example.yourapp;

import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

import androidx.appcompat.app.AppCompatActivity;

import java.util.HashMap;
import java.util.Map;

public class MainActivity extends AppCompatActivity {

    private EditText editText;
    private Button button;
    private TextView resultTextView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        editText = findViewById(R.id.editText);
        button = findViewById(R.id.button);
        resultTextView = findViewById(R.id.resultTextView);

        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                String inputText = editText.getText().toString();
                findDuplicateWords(inputText);
            }
        });
    }

    private void findDuplicateWords(String input) {
        // 将输入文本分割成单词
        String[] words = input.split("\\s+");
        HashMap<String, Integer> wordCount = new HashMap<>();

        // 统计每个单词的出现次数
        for (String word : words) {
            word = word.toLowerCase(); // 转换为小写以避免大小写问题
            if (!word.isEmpty()) {
                wordCount.put(word, wordCount.getOrDefault(word, 0) + 1);
            }
        }

        // 构建结果字符串
        StringBuilder result = new StringBuilder();
        for (Map.Entry<String, Integer> entry : wordCount.entrySet()) {
            if (entry.getValue() > 1) { // 只显示出现次数大于1的单词
                result.append(entry.getKey()).append(": ").append(entry.getValue()).append("\n");
            }
        }

        // 显示结果
        if (result.length() == 0) {
            resultTextView.setText("没有重复的单词。");
        } else {
            resultTextView.setText(result.toString());
        }
    }
}