JAVA 学习 - 随笔分类(第3页) - 小小超plus

FileReader和FileWriter

摘要：public class Ftest extends JFrame{ private static final long sertalVersionUID = 1L; private JPanel jContentPane = null; private JTextArea jTextArea = null; private JPanel controlPane ... 阅读全文

posted @ 2019-03-26 11:32 小小超plus 阅读(532) 评论(0) 推荐(0)

Map接口的类实现

摘要：public class MapText { public static void main(String[] args) { // TODO Auto-generated method stub Mapmap = new HashMap(); Emp emp = new Emp("351", "张三"); ... 阅读全文

posted @ 2019-03-25 12:21 小小超plus 阅读(344) 评论(0) 推荐(0)

Map接口

摘要：public class updateStu { public static void main(String[] args) { // TODO Auto-generated method stub Mapmap = new HashMap(); map.put("01","李同学"); map.put("02", "魏同... 阅读全文

posted @ 2019-03-25 12:06 小小超plus 阅读(104) 评论(0) 推荐(0)

Set集合

摘要：public class UpdateStu implements Comparable{ String name; long id; public UpdateStu(String name,long id) { // TODO Auto-generated constructor stub this.id = id; ... 阅读全文

posted @ 2019-03-25 11:42 小小超plus 阅读(214) 评论(0) 推荐(0)

List接口的实现类

摘要：public class Gather { public static void main(String[] args) { // TODO Auto-generated method stub LinkedList stringList = new LinkedList(); stringList.add("a"); s... 阅读全文

posted @ 2019-03-25 11:15 小小超plus 阅读(314) 评论(0) 推荐(0)

获取文本框或密码框中的内容

摘要：final JTextField jt = new JTextField(); jt.getText().trim().toString(); 阅读全文

posted @ 2019-03-24 15:28 小小超plus 阅读(779) 评论(0) 推荐(0)

Swing程序设计实践与练习3

摘要：public class asd extends JFrame { public asd() { // TODO Auto-generated constructor stub Container c = getContentPane(); setLayout(new GridLayout(3, 1 阅读全文

posted @ 2019-03-24 15:27 小小超plus 阅读(168) 评论(0) 推荐(0)

Swing程序设计实践与练习2

摘要：原链接:https://blog.csdn.net/y786256773/article/details/80670084 阅读全文

posted @ 2019-03-24 14:40 小小超plus 阅读(130) 评论(0) 推荐(0)

Swing程序设计实践与练习1

摘要：public class asd extends JFrame{ public asd() { // TODO Auto-generated constructor stub Container c = getContentPane(); setDefaultCloseOperation(Windo 阅读全文

posted @ 2019-03-24 13:47 小小超plus 阅读(198) 评论(0) 推荐(0)

动作事件监听器

摘要：public class SimpleEvent extends JFrame{ private JButton jb = new JButton("我是按钮，单击我"); public SimpleEvent() { // TODO Auto-generated constructor stub setLayout(null); ... 阅读全文

posted @ 2019-03-24 13:15 小小超plus 阅读(358) 评论(0) 推荐(0)

文本域组件

摘要：public class JTextAreaTest extends JFrame{ public JTextAreaTest() { // TODO Auto-generated constructor stub setSize(200,100); setTitle("定义自动换行的文本域"); setDefaultCloseOperation(... 阅读全文

posted @ 2019-03-23 15:18 小小超plus 阅读(267) 评论(0) 推荐(0)

密码框组件

摘要：public class asd extends JFrame{ public asd() { // TODO Auto-generated constructor stub Container c = getContentPane(); setVisible(true); setSize(300,200); setDefaultClos... 阅读全文

posted @ 2019-03-23 14:55 小小超plus 阅读(190) 评论(0) 推荐(0)

文本框组件

摘要：public class JTextFieldTest extends JFrame { public JTextFieldTest() { // TODO Auto-generated constructor stub Container c = getContentPane(); setLayout(new FlowLayout())... 阅读全文

posted @ 2019-03-23 14:50 小小超plus 阅读(187) 评论(0) 推荐(0)

列表框组件

摘要：public class JComboBoxMode1Test extends JFrame{ private static final long serialVersionUID = 1L; JComboBox jc = new JComboBox(new MyComboBox()); JLabel jl = new JLabel("请选择证件:"); publ... 阅读全文

posted @ 2019-03-23 13:56 小小超plus 阅读(246) 评论(0) 推荐(0)

复选框组件

摘要：public class CheckBoxTest extends JFrame{ private static final long serialVersionUID = 1L; private JPanel panel1 = new JPanel(); private JPanel panel2 阅读全文

posted @ 2019-03-23 13:09 小小超plus 阅读(440) 评论(0) 推荐(0)

单选按钮组件

摘要：public class asd extends JFrame{ public asd() { // TODO Auto-generated constructor stub Container c = getContentPane(); setLayout(new GridLayout(2,2,5,5)); JRadio... 阅读全文

posted @ 2019-03-23 12:35 小小超plus 阅读(238) 评论(0) 推荐(0)

提交按钮组件

摘要：public class JButtonTest extends JFrame{ public JButtonTest() { // TODO Auto-generated constructor stub Icon icon = new ImageIcon("src/huasacm.png"); setLayout(new GridLay... 阅读全文

posted @ 2019-03-22 14:26 小小超plus 阅读(292) 评论(0) 推荐(0)

JScorllPane面板(带滚轮的JPane）

摘要：public class JscrollPaneTest extends JFrame{ public JscrollPaneTest() { // TODO Auto-generated constructor stu Container c = getContentPane(); JTextArea ta = new JTextAre... 阅读全文

posted @ 2019-03-22 14:08 小小超plus 阅读(652) 评论(0) 推荐(0)

JPanel画板

摘要：public class JPanelTest extends JFrame{ public JPanelTest() { // TODO Auto-generated constructor stub Container c = getContentPane(); setLayout(new GridLayout(2,2,10,10)); JP... 阅读全文

posted @ 2019-03-22 13:48 小小超plus 阅读(445) 评论(0) 推荐(0)

网络布局管理器

摘要：public class GridLayoutPsoition extends JFrame{ public GridLayoutPsoition() { // TODO Auto-generated constructor stub Container c = getContentPane(); setLayout(new GridLayout(7,3,... 阅读全文

posted @ 2019-03-22 13:31 小小超plus 阅读(136) 评论(0) 推荐(0)

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