Tuesday, January 19, 2021
Monday, January 11, 2021
[JAVA] HOW TO MAKE FILE (.txt) with filled.
import java.io.*;
import java.util.Scanner;
/**
*
* @author ANDI
*/
public class InputFile {
public static void main (String [] args) throws IOException{
/*File f = new File("D:\\stream.doc");
FileOutputStream out;
PrintStream p;
try {
out = new FileOutputStream("D:\\stream.doc");
p = new PrintStream(out);
p.println("Ini String yang di tulis ke file");
p.println("bla bla bla");
p.close();
} catch (Exception e) {
System.err.println("Error Writting to file");
}*/
//attach keyboard to DataInputStream
DataInputStream dis=new DataInputStream(System.in);
// attach file to FileOutputStream
FileOutputStream fout=new FileOutputStream("file.txt");
//attach FileOutputStream to BufferedOutputStream
BufferedOutputStream bout=new BufferedOutputStream(fout,1024);
System.out.println("Enter text (@ at the end):");
char ch;
//read characters from dis into ch. Then write them into bout.
//repeat this as long as the read character is not @
while((ch=(char)dis.read())!='@')
{
bout.write(ch);
}
//close the file
bout.close();
}
}
[JAVA] HOW TO MAKE FILE (UNCATHEGORY).
import java.io.*;
import java.util.Scanner;
/**
*
* @author ANDI
*/
public class InputFile {
public static void main (String [] args){
/*File f = new File("D:\\stream.doc");
FileOutputStream out;
PrintStream p;
try {
out = new FileOutputStream("D:\\stream.doc");
p = new PrintStream(out);
p.println("Ini String yang di tulis ke file");
p.println("bla bla bla");
p.close();
} catch (Exception e) {
System.err.println("Error Writting to file");
}*/
try
{
Scanner sc=new Scanner(System.in); //object of Scanner class
System.out.print("Enter the file name: ");
String name=sc.nextLine(); //variable name to store the file name
FileOutputStream fos=new FileOutputStream(name, true); // true for append mode
System.out.print("Enter file content: ");
String str=sc.nextLine()+"\n"; //str stores the string which we have entered
byte[] b= str.getBytes(); //converts string into bytes
fos.write(b); //writes bytes into file
fos.close(); //close the file
System.out.println("file saved.");
}
catch(Exception e)
{
e.printStackTrace();
} System.out.println("Data yang anda input, selesai");
}
}
[JAVA] MEMBUAT FILE (BELUM TERKATEGORI).
import java.io.*;
import java.util.Scanner;
/**
*
* @author ANDI
*/
public class InputFile {
public static void main (String [] args){
/*File f = new File("D:\\stream.doc");
FileOutputStream out;
PrintStream p;
try {
out = new FileOutputStream("D:\\stream.doc");
p = new PrintStream(out);
p.println("Ini String yang di tulis ke file");
p.println("bla bla bla");
p.close();
} catch (Exception e) {
System.err.println("Error Writting to file");
}*/
try
{
Scanner sc=new Scanner(System.in); //object of Scanner class
System.out.print("Enter the file name: ");
String name=sc.nextLine(); //variable name to store the file name
FileOutputStream fos=new FileOutputStream(name, true); // true for append mode
System.out.print("Enter file content: ");
String str=sc.nextLine()+"\n"; //str stores the string which we have entered
byte[] b= str.getBytes(); //converts string into bytes
fos.write(b); //writes bytes into file
fos.close(); //close the file
System.out.println("file saved.");
}
catch(Exception e)
{
e.printStackTrace();
} System.out.println("Data yang anda input, selesai");
}
}
[JAVA] MAKE A FOLDER.
import java.io.*;
/**
*
* @author ANDI
*/
public class InputFile {
public static void main (String [] args){
/*File f = new File("D:\\stream.doc");
FileOutputStream out;
PrintStream p;
try {
out = new FileOutputStream("D:\\stream.doc");
p = new PrintStream(out);
p.println("Ini String yang di tulis ke file");
p.println("bla bla bla");
p.close();
} catch (Exception e) {
System.err.println("Error Writting to file");
}*/
String dirname = "D:\\test";
File d = new File(dirname);
// Create directory now.
d.mkdirs();
System.out.println("Data yang anda input, selesai");
}
}
[JAVA] MEMBUAT FOLDER.
import java.io.*;
/**
*
* @author ANDI
*/
public class InputFile {
public static void main (String [] args){
/*File f = new File("D:\\stream.doc");
FileOutputStream out;
PrintStream p;
try {
out = new FileOutputStream("D:\\stream.doc");
p = new PrintStream(out);
p.println("Ini String yang di tulis ke file");
p.println("bla bla bla");
p.close();
} catch (Exception e) {
System.err.println("Error Writting to file");
}*/
String dirname = "D:\\test";
File d = new File(dirname);
// Create directory now.
d.mkdirs();
System.out.println("Data yang anda input, selesai");
}
}
[JAVA] How to read data stream from the any file.
import java.io.*;
/**
*
* @author ANDI
*/
public class JavaStream {
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
// TODO code application logic here
//baca stream dari text
try {
FileInputStream fstream = new FileInputStream("D:\\File Netbeans\\JavaStream\\src\\stream\\test.txt ");
DataInputStream dataInput = new DataInputStream(fstream);
while(dataInput.available()!=0)
{
String data = dataInput.readLine();
System.out.println(data);
}
dataInput.close();
}
catch (Exception e) {
System.err.println("File Input Error");
}
}
}
[JAVA] Membaca data dari suatu file/program dengan menggunakan stream.
import java.io.*;
/**
*
* @author ANDI
*/
public class JavaReaderStream {
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
// TODO code application logic here
//baca stream dari text
try {
FileInputStream fstream = new FileInputStream("D:\\File Netbeans\\JavaStream\\src\\stream\\test.txt ");
DataInputStream dataInput = new DataInputStream(fstream);
while(dataInput.available()!=0)
{
String data = dataInput.readLine();
System.out.println(data);
}
dataInput.close();
}
catch (Exception e) {
System.err.println("File Input Error");
}
}
}
[JAVA] HOW TO RUN ANY APPLICATION PROGRAM.
ACTION PERFORMED :
try {
Runtime runTime = Runtime.getRuntime();
String executablePath = "C:\\Users\\sdkca\\AppData\\Local\\Programs\\Microsoft VS Code\\Code.exe"; //THIS CHANGE FROM YOUR APPLICATION LOCATION
Process process = runTime.exec(executablePath);
} catch (IOException e) {
e.printStackTrace();
}
[JAVA] CARA MENJALANKAN APLIKASI PROGRAM.
ACTION PERFORMED :
try {
Runtime runTime = Runtime.getRuntime();
String executablePath = "C:\\Users\\sdkca\\AppData\\Local\\Programs\\Microsoft VS Code\\Code.exe"; //GANTI DI LOKASI PADA FOLDER ANDA.
Process process = runTime.exec(executablePath);
} catch (IOException e) {
e.printStackTrace();
}
Wednesday, November 25, 2020
[JAVA] Connection Database MySQL
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JOptionPane;
/**
*
* @author USER
*/
public class Koneksi {
private static Connection koneksi;
public static Connection getKoneksi() {
if (koneksi == null) {
try {
String url = "jdbc:mysql://localhost/laundry";
String username = "root";
String password = "";
DriverManager.registerDriver(new com.mysql.jdbc.Driver());
koneksi = DriverManager.getConnection(url, username, password);
} catch (Exception ex) {
JOptionPane.showMessageDialog(null, "KONEKSI KE SERVER GAGAL !\n PERIKSALAH KEMBALI KONEKSI JARINGAN!");
}
}
return koneksi;
}
}
Sunday, September 29, 2019
[JAVA] Software Data-in on Shop Free
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- Mega Download [889 KB]
- Google Drive Download
[JAVA] How to Search Database to JTextField
try{Connection connect = Connect.getConnect();Statement stat = connect.createStatement();String sql="SELECT * FROM other Where coder like'"+jTextField7.getText()+"'";ResultSet isi = stat.executeQuery(sql);//isi that is Variable
if(isi.next()){jTextField1.setText(isi.getString(1));jTextField2.setText(isi.getString(2));jTextField3.setText(isi.getString(3));jTextField5.setText(isi.getString(4));jTextField4.setText(isi.getString(5));jTextField6.setText(isi.getString(6));jTextArea1.setText(isi.getString(7));}else{JOptionPane.showMessageDialog(null,"Invalid Code");}stat.close();}catch (Exception ex){JOptionPane.showMessageDialog(null,"Error :"+ex);}
[JAVA] How to Search on JTable
try {Connection connect = Connect.getConnect();String sql = "select * from other Where coder like '" + jTextField1.getText() + "'";Statement stat = connect.createStatement();ResultSet res = stat.executeQuery(sql);while (res.next()) {table.addRow(new Object[]{res.getString(1), res.getString(2), res.getString(3), res.getString(4), res.getString(5), res.getString(6), res.getString(7)});//setVisible(true);res.close();stat.close();}jTable1.setModel(table);} catch (Exception e) {}
[JAVA] How to Edit Database on Button
try{Connection connect = Connect.getConnect();//Statement stm=connect.createStatement();String sql="update other set coder ='?', a='?', b='?', c='?', d='?', e='?', f='?' where coder ='?'";PreparedStatement prepare = (PreparedStatement) connect.prepareStatement(sql);prepare.setString(1, jTextField1.getText());prepare.setString(2, jTextField2.getText());prepare.setString(3, jTextField3.getText());prepare.setString(4, jTextField5.getText());prepare.setString(5, jTextField4.getText());prepare.setString(6, jTextField4.getText());prepare.setString(7, jTextArea1.getText());prepare.executeUpdate();JOptionPane.showMessageDialog(null,"Success");//reset();//table();}catch(Exception ex){JOptionPane.showMessageDialog(null,"Error :"+ex);}
[JAVA] How to JTable Click to JTextField
try{int Linha = jTable1.getSelectedRow();nik.setText(jTable1.getValueAt(Linha, 0).toString());transnik.setText(jTable1.getValueAt(Linha, 0).toString());nama.setText(jTable1.getValueAt(Linha, 1).toString());ttl.setText(jTable1.getValueAt(Linha, 2).toString());daerahasal.setText(jTable1.getValueAt(Linha, 3).toString());asalkiriman.setText(jTable1.getValueAt(Linha, 4).toString());/**Blob filenameBlob = (Blob) (jTable1.getValueAt(Linha, 6));byte[] content = filenameBlob.getBytes(1L,(int)filenameBlob.length());if(jTable1.getValueAt(Linha, 6) !=null){ImageIcon image = new ImageIcon(content);Image image1 = image.getImage().getScaledInstance(FOTO.getWidth(), FOTO.getHeight(), Image.SCALE_SMOOTH);ImageIcon image2 = new ImageIcon(image1);FOTO.setIcon(image2);}**/} catch (Exception e){}
[JAVA] How to Print Database on Button Print
Connection connect = Connect.getConnect();Libraries : Jasper Report
try{
JasperReport JASP_REP = JasperCompileManager.compileReport("src/print/DataPrint.jrxml");
JasperPrint JASP_PRINT = JasperFillManager.fillReport(JASP_REP, null, connect);
JasperViewer.viewReport(JASP_PRINT);
} catch (Exception ev){
}
[JAVA] How to Open URL on Browser
try {
Desktop desktop = java.awt.Desktop.getDesktop();
URI oURL = new URI("www.dlcam.blogspot.com");
desktop.browse(oURL);
} catch (Exception e) {
e.printStackTrace();
}
[JAVA] Contoh Program Java : Menghitung Gaji Karyawan
class perhitungan_gaji_karyawan
{ //Andi Mahyudin
public static void main(String[]args)
{
int gajipokok = 0;
int bonus = 0;
int pajak = 0;
int total_gaji = 0;
int gajikotor = 0;
Scanner sc = new Scanner (System.in);
System.out.println("Golongan : 1 ");
System.out.println("(1). SMA = 1jt");
System.out.println("(2). S1 = 1,5jt");
System.out.println("(3). S2 = 2jt");
System.out.println("");
System.out.println("Golongan : 2 ");
System.out.println("(4). SMA = 1,5jt");
System.out.println("(5). S1 = 2,5jt");
System.out.println("(6). S2 = 3jt");
System.out.println("");
System.out.println("Pilih dan masukkan dari data salah satu diatas !");
System.out.print("Masukan Golongan Anda : ");
String golongan = sc.next();
System.out.print("Masukan Nomor Pendidikan : ");
int pendidikan = sc.nextInt ();
System.out.println("");
System.out.println("========================KETERANGAN========================");
if (pendidikan==1 )
{
gajipokok=1000000;
bonus=gajipokok*10/100;
gajikotor=gajipokok+bonus;
pajak=gajikotor*5/100;
total_gaji=gajipokok+bonus-pajak;
System.out.println("Golongan = " + golongan);
System.out.println("Nomor Pilihan Pendidikan Anda = " + pendidikan);
System.out.println("Nama Pendidikan = SMA");
System.out.println("Gaji Pokok = Rp. " + gajipokok);
System.out.println("Bonus = Rp. " + bonus);
System.out.println("Pajak = Rp. " + pajak);
System.out.println("Total Gaji yang Diterima = Rp. " + total_gaji);
}
else if (pendidikan==2)
{
gajipokok=1500000;
bonus=gajipokok*10/100;
gajikotor=gajipokok+bonus;
pajak=gajikotor*5/100;
total_gaji=gajipokok+bonus-pajak;
System.out.println("Golongan = " + golongan);
System.out.println("Nomor Pilihan Pendidikan Anda = " + pendidikan);
System.out.println("Nama Pendidikan = S1");
System.out.println("Gaji Pokok = Rp. " + gajipokok);
System.out.println("Bonus = Rp. " + bonus);
System.out.println("Pajak = Rp. " + pajak);
System.out.println("Total Gaji yang Diterima = Rp. " + total_gaji);
}
else if (pendidikan==3)
{
gajipokok=2000000;
bonus=gajipokok*10/100;
gajikotor=gajipokok+bonus;
pajak=gajikotor*5/100;
total_gaji=gajipokok+bonus-pajak;
System.out.println("Golongan = " + golongan);
System.out.println("Nomor Pilihan Pendidikan Anda = " + pendidikan);
System.out.println("Nama Pendidikan = S2");
System.out.println("Gaji Pokok = Rp. " + gajipokok);
System.out.println("Bonus = Rp. " + bonus);
System.out.println("Pajak = Rp. " + pajak);
System.out.println("Total Gaji yang Diterima = Rp. " + total_gaji);
}
else if (pendidikan==4)
{
gajipokok=1500000;
bonus=gajipokok*10/100;
gajikotor=gajipokok+bonus;
pajak=gajikotor*5/100;
total_gaji=gajipokok+bonus-pajak;
System.out.println("Golongan = " + golongan);
System.out.println("Nomor Pilihan Pendidikan Anda = " + pendidikan);
System.out.println("Nama Pendidikan = SMA");
System.out.println("Gaji Pokok = Rp. " + gajipokok);
System.out.println("Bonus = Rp. " + bonus);
System.out.println("Pajak = Rp. " + pajak);
System.out.println("Total Gaji yang Diterima = Rp. " + total_gaji);
}
else if (pendidikan==5)
{
gajipokok=2500000;
bonus=gajipokok*10/100;
gajikotor=gajipokok+bonus;
pajak=gajikotor*5/100;
total_gaji=gajipokok+bonus-pajak;
System.out.println("Golongan = " + golongan);
System.out.println("Nomor Pilihan Pendidikan Anda = " + pendidikan);
System.out.println("Nama Pendidikan = S1");
System.out.println("Gaji Pokok = Rp. " + gajipokok);
System.out.println("Bonus = Rp. " + bonus);
System.out.println("Pajak = Rp. " + pajak);
System.out.println("Total Gaji yang Diterima = Rp. " + total_gaji);
}
else if (pendidikan==6)
{
gajipokok=3500000;
bonus=gajipokok*10/100;
gajikotor=gajipokok+bonus;
pajak=gajikotor*5/100;
total_gaji=gajipokok+bonus-pajak;
System.out.println("Golongan = " + golongan);
System.out.println("Nomor Pilihan Pendidikan Anda = " + pendidikan);
System.out.println("Nama Pendidikan = S2");
System.out.println("Gaji Pokok = Rp. " + gajipokok);
System.out.println("Bonus = Rp. " + bonus);
System.out.println("Pajak = Rp. " + pajak);
System.out.println("Total Gaji yang Diterima = Rp. " + total_gaji);
}
System.out.println("==========================================================");
}
}
Output :
