Java是否可以使用jtextfield和Jlist具有自动完成功能？

Java是否可以使用jtextfield和Jlist具有自动完成功能？

1）你必须在使用之前对数组进行排序以获得更好的性能…

2）正如我提到的，你必须接受这两个方面

3）不要忘记为这些组件的更好和最好的工作设置初始值

简单输出

从代码

import java.awt.*;import java.util.ArrayList;import javax.swing.*;public class AutoCompleteTextField {    private Jframe frame;    private ArrayList<String> listSomeString = new ArrayList<String>();    private Java2sAutoTextField someTextField = new Java2sAutoTextField(listSomeString);    private ArrayList<String> listSomeAnotherString = new ArrayList<String>();    private Java2sAutoComboBox someComboBox = new Java2sAutoComboBox(listSomeAnotherString);    public AutoCompleteTextField() {        listSomeString.add("-");        listSomeString.add("Snowboarding");        listSomeString.add("Rowing");        listSomeString.add("Knitting");        listSomeString.add("Speed reading");        listSomeString.add("Pool");        listSomeString.add("None of the above");//        listSomeAnotherString.add("-");        listSomeAnotherString.add("XxxZxx Snowboarding");        listSomeAnotherString.add("AaaBbb Rowing");        listSomeAnotherString.add("CccDdd Knitting");        listSomeAnotherString.add("Eee Fff Speed reading");        listSomeAnotherString.add("Eee Fff Pool");        listSomeAnotherString.add("Eee Fff None of the above");//        someTextField.setFont(new Font("Serif", Font.BOLD, 16));        someTextField.setForeground(Color.black);        someTextField.setBackground(Color.orange);        someTextField.setName("someTextField");        someTextField.setDataList(listSomeString);//        someComboBox.setPrototypeDisplayValue("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx");        someComboBox.setFont(new Font("Serif", Font.BOLD, 16));        someComboBox.setForeground(Color.black);        someComboBox.setBackground(Color.YELLOW);        someComboBox.getEditor().selectAll();        someComboBox.getEditor().getEditorComponent().setBackground(Color.YELLOW);        ((JTextField) someComboBox.getEditor().getEditorComponent()).setDisabledTextColor(Color.black);        someComboBox.setName("someComboBox");        someComboBox.setDataList(listSomeAnotherString);//        frame = new Jframe();        frame.setLayout(new GridLayout(0, 1, 10, 10));        frame.add(someTextField);        frame.add(someComboBox);        frame.setDefaultCloseOperation(Jframe.EXIT_ON_CLOSE);        frame.setLocation(100, 100);        frame.pack();        frame.setVisible(true);//        SwingUtilities.invokeLater(new Runnable() { @Override public void run() {     someTextField.setText("-");     someComboBox.getEditor().setItem(0);     someComboBox.getEditor().selectAll();     someTextField.grabFocus();     someTextField.requestFocus();     someTextField.setText(someTextField.getText());     someTextField.selectAll(); }        });    }    public static void main(String[] args) {        SwingUtilities.invokeLater(new Runnable() { @Override public void run() {     AutoCompleteTextField aCTF = new AutoCompleteTextField(); }        });    }}