PROGRAM JAVA

PROGRAM JAVA

•J2SE (STANDARD EDITION)

•J2EE(ENTERPRISE EDITION)

•J2ME(MICRO EDITION)

FUNGSI JAVA

•APLIKASI

•Applet /Japplet(JFC/SWING)

•AP WEB (JavaBeans, JSP)

•WEB-SERVICE

•AP ENTERPRISE (EJB)

•AP MOBILITY.

PEMROG JAVA

•PROYEK

•FILE SUMBER

•BUILT(JAR DAN WAR)

•RUN

•package ………. ;

•public class main{

Public main(){

}

•Public static void main(string[] args){…….

}

•}

•J2SE (STANDARD EDITION)

•J2EE(ENTERPRISE EDITION)

•J2ME(MICRO EDITION)

FUNGSI JAVA

•APLIKASI

•Applet /Japplet(JFC/SWING)

•AP WEB (JavaBeans, JSP)

•WEB-SERVICE

•AP ENTERPRISE (EJB)

•AP MOBILITY.

PEMROG JAVA

•PROYEK

•FILE SUMBER

•BUILT(JAR DAN WAR)

•RUN

•package ………. ;

•public class main{

Public main(){

}

•Public static void main(string[] args){…….

}

•}

contoh program menghitung spp dengan switch

import java.io.*;
public class latian{
public static void main(String[] auzt) throws IOException{
int KD_jur,Sks;
int sppT1,sppV1,sppT3,sppV3,TsppV1,TsppV3;
int Total1,Total3;
String Nama,Nim;

InputStreamReader isr = new InputStreamReader(System.in);
BufferedReader br = new BufferedReader (isr);

System.out.print("Masukan Nama Anda =");
Nama = (String) br.readLine();

System.out.print("Masukan Nim Anda =");
Nim = (String) br.readLine();


System.out.print("Masukan Jumlah SKS =");
Sks = Integer.parseInt (br.readLine()) ;

System.out.print("Kode jurusan 1=S1SI,0=D3MI\nMasukan Kode Jurusan =");
KD_jur = Integer.parseInt (br.readLine()) ;

sppT1 = 500000;
sppV1 = 55000;
TsppV1 = sppV1 * Sks;
Total1 = sppT1 + TsppV1;

sppT3 = 400000;
sppV3 = 50000;
TsppV3 = sppV3 * Sks;
Total3 = sppT3 + TsppV3;

switch (KD_jur){
case 1 :
{
System.out.println("Nama = "+Nama);
System.out.println("Nim = "+Nim);
System.out.println("Jurusan = S1-SI");
System.out.println("Jumlah SKS yang diambil = "+Sks);
System.out.println("Jumlah spp tetap = "+sppT1);
System.out.println("Jumlah spp variabel = "+TsppV1);
System.out.println("Total SPP = "+Total1);
}
case 0:
{
System.out.println("Nama = "+Nama);
System.out.println("Nim = "+Nim);
System.out.println("Jurusan = D3-MI");
System.out.println("Jumlah SKS yang diambil = "+Sks);
System.out.println("Jumlah spp tetap = "+sppT3);
System.out.println("Jumlah spp variabel = "+TsppV3);
System.out.println("Total SPP = "+Total3);
}
default :
{
System.out.println("Maaf kode jurusan yang anda masukan tidak ada.");
}

}}}

contoh Program increment awal akir

//Program increment awal akir
//Penerapan operator increment dan decrement di awal dan akhir variabel

class AwalAkhir {
public static void main(String[] args){

int x = 0;
int y = 0;

System.out.println();
System.out.println("x bernilai "+x+" dan y bernilai = "+y);
x++;
System.out.println("x++ akan menghasilkan = "+x);
++x;
System.out.println("++x akan menghasilkan = "+x);

x = 0; //nilai x di-nolkan lagi
System.out.println();

y = x++;
System.out.println("y = x++ (akhiran) akan menghasilkan");
System.out.println("x = "+x);
System.out.println("y = "+y);

System.out.println();
y = ++x;
System.out.println("y = ++x (awalan) akan menghasilkan");
System.out.println("x = "+x);
System.out.println("y = "+y);
}
}

contoh program input data

//program input data
import java.io.*;
class inputdata{
public static void main (String[] args) throws IOException{
InputStreamReader reader = new InputStreamReader(System.in);
BufferedReader input = new BufferedReader(reader);
System.out.print("masukan sembarang kata = ");
String teks = input.readLine();
//System.out.println("kata yang dimasukan adalah ="+teks);
System.out.println(teks);
}
}

contoh program input data box

//program input data box
import javax.swing.*;
class inputdatabox{
public static void main (String[] args)
{
String teks = JOptionPane.showInputDialog("Masukan data :");
System.out.print(teks);
System.exit(0);
}
}

contoh program input dari keyboard

//program input dari keyboard

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;

public class InputdariKeyboard{
public static void main( String[] args){
BufferedReader dataIn = new BufferedReader(new InputStreamReader(System.in));
String name = "";
System.out.print("Masukan nama :");
try{
name = dataIn.readLine();
}catch( IOException e){
System.out.println("Error!");
}
System.out.println("Hello "+name+"!");
}
}

contoh program demo input numerik bagian 1

//program demo input numerik bagian 1
import java.io.*;
class demoinputnumerik1{
public static void main(String[] args) throws IOException{
System.out.print("masukan sebuah bilangan bulat :");
String temp;
int bilangan = 0;
InputStreamReader isr = new InputStreamReader(System.in);
BufferedReader br = new BufferedReader(isr);
//input data dianggap sebagai string
temp = br.readLine();
try{
//konversi dari string ke integer
bilangan = Integer.parseInt(temp);
} catch (NumberFormatException nfe){
System.out.println("data yang dimasukan " +"bukan bilangan bulat");
System.exit(1);
}
System.out.println("bilangan yang dimasukan "+
"adalah" +bilangan);
}
}

contoh program demo input numerik bagian 2

//program demo input numerik 2
import java.io.*;
class demoinputnumerik2{
public static void main(String[] args) throws IOException {
System.out.print("masukan sebuah bilangan riil : ");
String temp;
double bilangan = 0;
InputStreamReader isr = new InputStreamReader(System.in);
BufferedReader br = new BufferedReader(isr);
//input data dianggap sebagai string
temp = br.readLine();
try{
//konversi dari string ke floating-point
bilangan = Double.parseDouble(temp);
} catch (NumberFormatException nfe){
System.out.println("data yang dimasukan bukan bilangan");
System.exit(1);
}
System.out.println("Bilangan yang dimasukan " +
"adalah " +bilangan);
}
}

contoh program java demo input karakter

//Program demo input karakter
import java.io.*;
class demoinputkarakter{
public static void main (String[] args) throws IOException{
System.out.print("Masukan sembarang karakter = ");
char ch;
InputStreamReader isr = new InputStreamReader(System.in);
BufferedReader br = new BufferedReader(isr);
ch = (char) br.read();
System.out.println("karakter yang dimasukan adalah ="+ch);
}
}

contoh aritmatika dasar1

// program aritmatika dasar
class AritmatikaDasar1{
public static void main(String[] args){


short a = 17;
int b = 14;
float c =13.5f;
float d = 8f;

System.out.println();
System.out.println("a = " +a+ ",b = "+b );
System.out.println("a + b = "+(a+b));
System.out.println("a - b = "+(a-b));
System.out.println("a / b = "+(a/b));
System.out.println("a % b = "+(a%b));
System.out.println("c = "+c);
System.out.println("d = "+d);
System.out.println();
}
}

contoh aritmatika dasar

//program aritmatika dasar
class AritmatikaDasar{
public static void main(String[] args){
System.out.println("\noperasi aritmatika" + " pada tipe integer");


int a = 2 + 1;
int b = a - 1;
int c = a * b;
int d = c / 3;
int e = -a;

System.out.println("Nilai a = "+a);
System.out.println("Nilai b = "+b);
System.out.println("Nilai c = "+c);
System.out.println("Nilai d = "+d);
System.out.println("Nilai e = "+e);
System.out.println();

System.out.println("Operasi matematika" +
" pada tipe floating point");

double fa = 2 + 1;
double fb = fa - 1;
double fc = fa * fb;
double fd = fc / 3;
double fe = -a;

System.out.println("Nilai fa = "+fa);
System.out.println("Nilai fb = "+fb);
System.out.println("Nilai fc = "+fc);
System.out.println("Nilai fd = "+fd);
System.out.println("Nilai fe = "+fe);
System.out.println();
}
}