Java 中提取关键字

哈喽，细小伙伴们！今天我们要聊一聊Java编程里的细小暗地——关键词！关键词就像是编程的魔法咒语，掌握了它们，编程技Neng就Neng像火箭一样飞升哦！

private JTextArea output1;

}

import javax.swing.filechooser.FileFilter;

//释放材料

return;

if)

import java.io.IOException;

});

public String getKeySentences{

import java.io.FileWriter;

keyWords2 = new String{“所以”, “而且”};

String filepath = “文件路径”;

new Application2.setVisible;

e1.printStackTrace;

JFileChooser chooser = new JFileChooser;

save = new JButton;

String result = “”;

last = i + ;

System.out.println;

while)

output2.setText);

int length = file.getName.length;

private JButton save;

o2p.setLayout);

import javax.swing.JButton;

public static void main throws IOException {

package cn.ima_21;

chooser.addChoosableFileFilter{

public class Application2 extends JFrame implements Cloneable{

public void run{

return false;

split2.setDividerLocation;

while != -)

import java.util.Scanner;

FileReader fr = new FileReader;

try {

File file = chooser.getSelectedFile;

public String getDescription {

return result;

buttonPane.add;

public boolean accept {

private String keyWords2;

PrintWriter pw = new PrintWriter;

// 创建对象

import java.awt.BorderLayout;

ArrayList set = new ArrayList;

text += sc.nextLine + “ ”;

this.setLayout);

o2p.setBorder, “以下为”));

result += sentences + “ ”;

pw.flush;

pw.print);

for

JPanel o2p = new JPanel;

return “文本文件”;

import javax.swing.border.EtchedBorder;

if )))

EventQueue.invokeLater{

希望这玩意儿Neng帮到你啊， 望采纳啊

if

output2 = new JTextArea;

A: for {

for {

String array = getSentences;

int num = 0;

return set.toArray]);

this.setDefaultCloseOperation;

if || s.equals || s.equals || s.equals || s.equals || s.equals || s.equals || s.equals || s.equals) {

Neng用java API中的URL抓取流，也Neng用Apache的HttpClient等许多种方法，到头来得到的就是字符串咯，得到字符串就优良办了用正则匹配，将匹配的保存起来就Neng了

String s = String.valueOf.charAt);

import javax.swing.JTextArea;

ip.add;

chooser.setMultiSelectionEnabled;

import java.awt.EventQueue;

System.exit;

this.add;

public static void main{

continue A;

} catch {

import java.awt.event.ActionListener;

open.addActionListener{

o2p.add;

import javax.swing.BorderFactory;

JSplitPane split1 = new JSplitPane;

input.setText;

String str = dis.readUTF;

keyWords1 = new String{“那么”, “还是”, “sdf”};

关键词的作用

关键词在Java中可是有巨大用的哦！比如“if”和“else”，它们Neng让你编写出判断逻辑，让程序变得geng机灵。还有“for”和“while”，它们Neng让你的程序循环施行，完成再来一次的任务。

怎么掌握关键词

想要掌握关键词，先说说你得许多kan许多学。你Neng查阅Java的官方文档，里面详细介绍了个个关键词的用法。还Neng许多写代码，实践是检验真实理的独一个标准嘛！

掌握Java关键词是提升编程技Neng的关键一步。让我们一起努力，成为编程细小达人吧！