By GokiSoft.com|
09:51 21/07/2021|
Java Basic
[Share Code] Tìm hiểu cú pháp lambda - Java Swing - Regular Express trong Java - Khóa học Java
#MainFrame.java
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package lesson08;
import javax.swing.table.DefaultTableModel;
/**
*
* @author Diep.Tran
*/
public class MainFrame extends javax.swing.JFrame {
DefaultTableModel tableModel;
/**
* Creates new form MainFrame
*/
public MainFrame() {
initComponents();
tableModel = (DefaultTableModel) bookTable.getModel();
}
/**
* This method is called from within the constructor to initialize the form.
* WARNING: Do NOT modify this code. The content of this method is always
* regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
private void initComponents() {
jPanel1 = new javax.swing.JPanel();
jLabel1 = new javax.swing.JLabel();
booknameTxt = new javax.swing.JTextField();
authorTxt = new javax.swing.JTextField();
jLabel2 = new javax.swing.JLabel();
saveBtn = new javax.swing.JButton();
resetBtn = new javax.swing.JButton();
jScrollPane1 = new javax.swing.JScrollPane();
bookTable = new javax.swing.JTable();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
setTitle("QUAN LY THU VIEN");
jPanel1.setBorder(javax.swing.BorderFactory.createTitledBorder("NHAP THONG TIN SACH"));
jLabel1.setText("TEN SACH:");
jLabel2.setText("TAC GIA:");
saveBtn.setText("SAVE");
saveBtn.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
saveBtnActionPerformed(evt);
}
});
resetBtn.setText("RESET");
resetBtn.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
resetBtnActionPerformed(evt);
}
});
javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
jPanel1.setLayout(jPanel1Layout);
jPanel1Layout.setHorizontalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGap(31, 31, 31)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addComponent(jLabel1)
.addGap(51, 51, 51)
.addComponent(booknameTxt, javax.swing.GroupLayout.PREFERRED_SIZE, 338, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(jPanel1Layout.createSequentialGroup()
.addComponent(jLabel2)
.addGap(51, 51, 51)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addComponent(saveBtn)
.addGap(18, 18, 18)
.addComponent(resetBtn))
.addComponent(authorTxt, javax.swing.GroupLayout.PREFERRED_SIZE, 338, javax.swing.GroupLayout.PREFERRED_SIZE))))
.addContainerGap(28, Short.MAX_VALUE))
);
jPanel1Layout.setVerticalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGap(18, 18, 18)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel1)
.addComponent(booknameTxt, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(18, 18, 18)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel2)
.addComponent(authorTxt, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(18, 18, 18)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(saveBtn)
.addComponent(resetBtn))
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
bookTable.setModel(new javax.swing.table.DefaultTableModel(
new Object [][] {
},
new String [] {
"STT", "TEN SACH", "TAC GIA"
}
) {
boolean[] canEdit = new boolean [] {
false, false, false
};
public boolean isCellEditable(int rowIndex, int columnIndex) {
return canEdit [columnIndex];
}
});
jScrollPane1.setViewportView(bookTable);
if (bookTable.getColumnModel().getColumnCount() > 0) {
bookTable.getColumnModel().getColumn(0).setResizable(false);
bookTable.getColumnModel().getColumn(2).setResizable(false);
}
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jScrollPane1))
.addContainerGap())
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 145, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
pack();
}// </editor-fold>//GEN-END:initComponents
private void saveBtnActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_saveBtnActionPerformed
// TODO add your handling code here:
System.out.println("Click save");
String bookName = booknameTxt.getText();
String author = authorTxt.getText();
tableModel.addRow(new Object[] {tableModel.getRowCount() + 1, bookName, author});
}//GEN-LAST:event_saveBtnActionPerformed
private void resetBtnActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_resetBtnActionPerformed
// TODO add your handling code here:
System.out.println("Click reset");
booknameTxt.setText("");
authorTxt.setText("");
}//GEN-LAST:event_resetBtnActionPerformed
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
/* Set the Nimbus look and feel */
//<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/
try {
for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(MainFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(MainFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(MainFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(MainFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
}
//</editor-fold>
/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new MainFrame().setVisible(true);
}
});
}
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.JTextField authorTxt;
private javax.swing.JTable bookTable;
private javax.swing.JTextField booknameTxt;
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel2;
private javax.swing.JPanel jPanel1;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JButton resetBtn;
private javax.swing.JButton saveBtn;
// End of variables declaration//GEN-END:variables
}
#Main.java
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package lesson08;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.stream.Stream;
/**
*
* @author Diep.Tran
*/
public class Main {
@FunctionalInterface
interface IMessage {
void onMessage();
}
@FunctionalInterface
interface IMessage3 {
void onMessage(String s1, String s2);
}
interface IMessage2 {
void onMessage();
void onMessage2();
}
static class OMessage implements IMessage {
@Override
public void onMessage() {
System.out.println("Hello World!!!");
}
}
public static void main(String[] args) {
//Item 1 - For
List<String> list = new ArrayList<>();
list.add("1");
list.add("2");
list.add("3");
list.add("4");
list.add("5");
list.forEach(v -> {
System.out.println(v);
});
//Item 2 - Tim hieu ham tao trong lambda
//Khoi tao doi tuong tu Interface -> IMessage
IMessage m = new IMessage() {
@Override
public void onMessage() {
System.out.println("Hello World!!!");
}
};
m.onMessage();
//Khoi tao tu class object -> kha bt
OMessage o = new OMessage();
o.onMessage();
//Khoi tao doi tuong tu Interface -> IMessage
IMessage m2 = () -> {
System.out.println("Hello World --- OKOK!!!");
};
m2.onMessage();
//Cach viet nay -> Trong than phuong thuc onMessage chi co 1 dong lenh
IMessage m3 = () -> System.out.println("Hello World --- OKOK!!!");
m3.onMessage();
IMessage m4 = () -> {
System.out.println("Hello World --- OKOK 1!!!");
System.out.println("Hello World --- OKOK 2!!!");
System.out.println("Hello World --- OKOK 3!!!");
System.out.println("Hello World --- OKOK 4!!!");
System.out.println("Hello World --- OKOK 5!!!");
};
m4.onMessage();
IMessage2 m11 = new IMessage2() {
@Override
public void onMessage() {
System.out.println("M1 --- ");
}
@Override
public void onMessage2() {
System.out.println("M2 ---");
}
};
m11.onMessage();
m11.onMessage2();
IMessage3 m33 = new IMessage3() {
@Override
public void onMessage(String s1, String s2) {
System.out.println("s1 = " + s1 + ", s2 = " + s2);
}
};
m33.onMessage("123", "456");
m33 = (String s1, String s2) -> {
System.out.println("s1 = " + s1 + ", s2 = " + s2);
};
m33.onMessage("123", "456");
m33 = (s1, s2) -> {
System.out.println("s1 = " + s1 + ", s2 = " + s2);
};
m33.onMessage("123", "456");
m33 = (s1, s2) -> System.out.println("s1 = " + s1 + ", s2 = " + s2);
m33.onMessage("123", "456");
// Stream
System.out.println("======== T1 =================");
Stream st1 = list.stream();
st1.forEach(System.out::println);
System.out.println("======== T2 =================");
Stream st2 = list.parallelStream();
st2.forEach(System.out::println);
//Tim hieu ve pattern express
//Vi du: s -> du lieu dau vao. Kiem tra xem s co chua 1 chuoi
//p (sinh theo quy luat sau: aaba (a: a-z -> gom 1 -> 4 ky tu, b: 0 -> 9 gom 2-5 ky tu)
String s = "xin chao abc15kk osdfdsf abb15kk sdfh";
Pattern pattern = Pattern.compile("[a-z]{1,4}[a-z]{1,4}[0-9]{2,5}[a-z]{1,4}", Pattern.CASE_INSENSITIVE);
Matcher matcher = pattern.matcher(s);
/**boolean matchFound = matcher.find();
if(matchFound) {
System.out.println("Tim thay");
} else {
System.out.println("Ko tim thay");
}*/
while(matcher.find()) {
System.out.println("Tim thay: start = " + matcher.start()+ ", end = " + matcher.end());
String sub = s.substring(matcher.start(), matcher.end());
System.out.println("sub: " + sub);
}
}
}
#MainFrame.form
<?xml version="1.0" encoding="UTF-8" ?>
<Form version="1.3" maxVersion="1.9" type="org.netbeans.modules.form.forminfo.JFrameFormInfo">
<Properties>
<Property name="defaultCloseOperation" type="int" value="3"/>
<Property name="title" type="java.lang.String" value="QUAN LY THU VIEN"/>
</Properties>
<SyntheticProperties>
<SyntheticProperty name="formSizePolicy" type="int" value="1"/>
<SyntheticProperty name="generateCenter" type="boolean" value="false"/>
</SyntheticProperties>
<AuxValues>
<AuxValue name="FormSettings_autoResourcing" type="java.lang.Integer" value="0"/>
<AuxValue name="FormSettings_autoSetComponentName" type="java.lang.Boolean" value="false"/>
<AuxValue name="FormSettings_generateFQN" type="java.lang.Boolean" value="true"/>
<AuxValue name="FormSettings_generateMnemonicsCode" type="java.lang.Boolean" value="false"/>
<AuxValue name="FormSettings_i18nAutoMode" type="java.lang.Boolean" value="false"/>
<AuxValue name="FormSettings_layoutCodeTarget" type="java.lang.Integer" value="1"/>
<AuxValue name="FormSettings_listenerGenerationStyle" type="java.lang.Integer" value="0"/>
<AuxValue name="FormSettings_variablesLocal" type="java.lang.Boolean" value="false"/>
<AuxValue name="FormSettings_variablesModifier" type="java.lang.Integer" value="2"/>
</AuxValues>
<Layout>
<DimensionLayout dim="0">
<Group type="103" groupAlignment="0" attributes="0">
<Group type="102" attributes="0">
<EmptySpace max="-2" attributes="0"/>
<Group type="103" groupAlignment="0" attributes="0">
<Component id="jPanel1" max="32767" attributes="0"/>
<Component id="jScrollPane1" max="32767" attributes="0"/>
</Group>
<EmptySpace max="-2" attributes="0"/>
</Group>
</Group>
</DimensionLayout>
<DimensionLayout dim="1">
<Group type="103" groupAlignment="0" attributes="0">
<Group type="102" alignment="0" attributes="0">
<EmptySpace max="-2" attributes="0"/>
<Component id="jPanel1" min="-2" max="-2" attributes="0"/>
<EmptySpace type="unrelated" max="-2" attributes="0"/>
<Component id="jScrollPane1" min="-2" pref="145" max="-2" attributes="0"/>
<EmptySpace max="32767" attributes="0"/>
</Group>
</Group>
</DimensionLayout>
</Layout>
<SubComponents>
<Container class="javax.swing.JPanel" name="jPanel1">
<Properties>
<Property name="border" type="javax.swing.border.Border" editor="org.netbeans.modules.form.editors2.BorderEditor">
<Border info="org.netbeans.modules.form.compat2.border.TitledBorderInfo">
<TitledBorder title="NHAP THONG TIN SACH"/>
</Border>
</Property>
</Properties>
<Layout>
<DimensionLayout dim="0">
<Group type="103" groupAlignment="0" attributes="0">
<Group type="102" alignment="0" attributes="0">
<EmptySpace min="-2" pref="31" max="-2" attributes="0"/>
<Group type="103" groupAlignment="1" attributes="0">
<Group type="102" attributes="0">
<Component id="jLabel1" min="-2" max="-2" attributes="0"/>
<EmptySpace min="-2" pref="51" max="-2" attributes="0"/>
<Component id="booknameTxt" min="-2" pref="338" max="-2" attributes="0"/>
</Group>
<Group type="102" alignment="1" attributes="0">
<Component id="jLabel2" min="-2" max="-2" attributes="0"/>
<EmptySpace min="-2" pref="51" max="-2" attributes="0"/>
<Group type="103" groupAlignment="0" attributes="0">
<Group type="102" attributes="0">
<Component id="saveBtn" min="-2" max="-2" attributes="0"/>
<EmptySpace type="separate" max="-2" attributes="0"/>
<Component id="resetBtn" min="-2" max="-2" attributes="0"/>
</Group>
<Component id="authorTxt" min="-2" pref="338" max="-2" attributes="0"/>
</Group>
</Group>
</Group>
<EmptySpace pref="28" max="32767" attributes="0"/>
</Group>
</Group>
</DimensionLayout>
<DimensionLayout dim="1">
<Group type="103" groupAlignment="0" attributes="0">
<Group type="102" alignment="0" attributes="0">
<EmptySpace min="-2" pref="18" max="-2" attributes="0"/>
<Group type="103" groupAlignment="3" attributes="0">
<Component id="jLabel1" alignment="3" min="-2" max="-2" attributes="0"/>
<Component id="booknameTxt" alignment="3" min="-2" max="-2" attributes="0"/>
</Group>
<EmptySpace type="separate" max="-2" attributes="0"/>
<Group type="103" groupAlignment="3" attributes="0">
<Component id="jLabel2" alignment="3" min="-2" max="-2" attributes="0"/>
<Component id="authorTxt" alignment="3" min="-2" max="-2" attributes="0"/>
</Group>
<EmptySpace type="separate" max="-2" attributes="0"/>
<Group type="103" groupAlignment="3" attributes="0">
<Component id="saveBtn" alignment="3" min="-2" max="-2" attributes="0"/>
<Component id="resetBtn" alignment="3" min="-2" max="-2" attributes="0"/>
</Group>
<EmptySpace max="32767" attributes="0"/>
</Group>
</Group>
</DimensionLayout>
</Layout>
<SubComponents>
<Component class="javax.swing.JLabel" name="jLabel1">
<Properties>
<Property name="text" type="java.lang.String" value="TEN SACH:"/>
</Properties>
</Component>
<Component class="javax.swing.JTextField" name="booknameTxt">
</Component>
<Component class="javax.swing.JTextField" name="authorTxt">
</Component>
<Component class="javax.swing.JLabel" name="jLabel2">
<Properties>
<Property name="text" type="java.lang.String" value="TAC GIA:"/>
</Properties>
</Component>
<Component class="javax.swing.JButton" name="saveBtn">
<Properties>
<Property name="text" type="java.lang.String" value="SAVE"/>
</Properties>
<Events>
<EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="saveBtnActionPerformed"/>
</Events>
</Component>
<Component class="javax.swing.JButton" name="resetBtn">
<Properties>
<Property name="text" type="java.lang.String" value="RESET"/>
</Properties>
<Events>
<EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="resetBtnActionPerformed"/>
</Events>
</Component>
</SubComponents>
</Container>
<Container class="javax.swing.JScrollPane" name="jScrollPane1">
<AuxValues>
<AuxValue name="autoScrollPane" type="java.lang.Boolean" value="true"/>
</AuxValues>
<Layout class="org.netbeans.modules.form.compat2.layouts.support.JScrollPaneSupportLayout"/>
<SubComponents>
<Component class="javax.swing.JTable" name="bookTable">
<Properties>
<Property name="model" type="javax.swing.table.TableModel" editor="org.netbeans.modules.form.editors2.TableModelEditor">
<Table columnCount="3" rowCount="0">
<Column editable="false" title="STT" type="java.lang.Object"/>
<Column editable="false" title="TEN SACH" type="java.lang.Object"/>
<Column editable="false" title="TAC GIA" type="java.lang.Object"/>
</Table>
</Property>
<Property name="columnModel" type="javax.swing.table.TableColumnModel" editor="org.netbeans.modules.form.editors2.TableColumnModelEditor">
<TableColumnModel selectionModel="0">
<Column maxWidth="-1" minWidth="-1" prefWidth="-1" resizable="false">
<Title/>
<Editor/>
<Renderer/>
</Column>
<Column maxWidth="-1" minWidth="-1" prefWidth="-1" resizable="true">
<Title/>
<Editor/>
<Renderer/>
</Column>
<Column maxWidth="-1" minWidth="-1" prefWidth="-1" resizable="false">
<Title/>
<Editor/>
<Renderer/>
</Column>
</TableColumnModel>
</Property>
<Property name="tableHeader" type="javax.swing.table.JTableHeader" editor="org.netbeans.modules.form.editors2.JTableHeaderEditor">
<TableHeader reorderingAllowed="true" resizingAllowed="true"/>
</Property>
</Properties>
</Component>
</SubComponents>
</Container>
</SubComponents>
</Form>
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