SIMPLE CODES

Java - Data Structures - One-Dimensional Array Example

package datastructures.linear;

import java.util.Arrays;

class Array{
    public static void main(String arg[]) {
        System.out.println("One-Dimensional Arrays Example");
        ArraySample obj = new ArraySample();
        obj.displayArray();
        obj.sortArray();
        obj.linearSearch(5);
    }
}

class ArraySample{
    /*
    Declaration an array
    _____________________
    The declaration can be done using the following both ways
    type var-name[];
    OR
    type[] var-name; 
    */
    int[] intArray1;
    int intArray2[];
    String stringArray[];
    byte byteArray[];
    short shortsArray[];
    boolean booleanArray[];
    long longArray[];
    float floatArray[];
    double doubleArray[];
    char charArray[];
    //Object datastructures.linear.Array
    Object objectArray[];

    //combining both statements (Declaration and Instantiating) in one
    int[] intArray = new int[20];
    
    //Defult constructor
    public ArraySample(){
        /*
        Instantiating an datastructures.linear.Array
        ______________________
        var-name = new type [size];
        */
        // allocating memory for 5 integers.
        intArray1 = new int[5];
        stringArray = new String[]{"one","two","three"};

        // initialize the first elements of the integer array
        intArray1[0] = 6;

        // initialize the secound elements of the integer array
        intArray1[1] = 2;

        // initialize the third elements of the integer array
        intArray1[2] = 5;

        intArray1[3] = 1;
        intArray1[4] = 9;
    }

    public void sortArray(){
        Arrays.sort(intArray1);
        System.out.println("---------Sorted datastructures.linear.Array---------");
        for (int iterable_element : intArray1) {
            System.out.println(iterable_element);
        }
    }

    public void linearSearch(int key){
        for (int i = 0; i < intArray1.length; i++)
            if(intArray1[i]==key)
                System.out.println("Found...! index="+i);
             else 
                System.out.println("Search key not found");
            
    }

    public void displayArray(){
        //datastructures.linear.Array Length
        System.out.println("datastructures.linear.Array size = "+stringArray.length);

        // accessing the elements of the specified array
        for (int i = 0; i < stringArray.length; i++)
            System.out.println("Element at index " + i + " : " + stringArray[i]);

        
        System.out.println("datastructures.linear.Array size = "+intArray1.length);

        for (int iterable_element : intArray1) {
            System.out.println(iterable_element);
        }
    }
    
}

GitHub Link

PHP Database Connection-Insert Statement

$con=mysql_connect("localhost","root","");

mysql_select_db("esdb",$con);

$statement="inser into student values('1','Kamal','85')";

$my1=mysql_query($statement);

if($my1) {
echo "Data Successfully Inserted";
} else {
echo "Error In Insert";
}

PHP Database Connection-Select Statement

$con=mysql_connect("localhost","user Name","password");

mysql_select_db("esdb",$con);

$statement="select * from Students where id=1";

$my1=mysql_query($statement);

while($row=mysql_fetch_array($my1))
{
echo $row[0];
}

java socket (sever side)

import java.net.*;
import java.io.*;
public class server{
 public static void main(String args[])throws IOException{
  ServerSocket s=new ServerSocket(1234);
  while(true){
   Socket s1=s.accept();
   DataInputStream is=new DataInputStream(s1.getInputStream());
   String sr=new String(is.readUTF());
   System.out.println(sr);
   DataOutputStream os=new DataOutputStream(s1.getOutputStream());
   os.writeUTF("bla bla bla");
   os.close();
   is.close();
   s1.close();
    
  }
 }
}

java socket (Client part)

import java.net.*;
import java.io.*;
public class client{
 public static void main(String a[]){
 try{
  Socket w=new Socket("localhost",1234);
  DataOutputStream o=new DataOutputStream(w.getOutputStream());
  o.writeUTF("where are you");
  DataInputStream i=new DataInputStream(w.getInputStream());
  String sr=new String(i.readUTF());
  System.out.println(sr);
  o.close();
  i.close();
  w.close();
 }
 catch(UnknownHostException u){
 System.out.println("message"+u);
 }
 catch(IOException i){
 System.out.println("message"+i);
 }
}

}

Bubble Sort in C language

#include
#include
#define N 5
int V[N];
void input(int V[N]);
void sort(int V[N]);
void display(int V[N]);
void main()
{
clrscr();
input(V);
sort(V);
display(V);
getch();
}

void input(int V[N])
{
printf("\n\t****** Enter data tot he array ******\n\n\n");
  for(int i=0;i < N;i++)
  {
   printf("\nEnter value positon %d to the array : ",i+1);
   scanf("%d",&V[i]);
  }
}

void sort(int V[N])
{
int temp,flag=0;
  for(int i=1;i < N;i++)
  {
    for(int j=0;j < (N-i);j++)
    {
     if(V[j]>V[j+1])
     {
      temp=V[j];
      V[j]=V[j+1];
      V[j+1]=temp;
      flag=1;
     }
    }
    if(flag==0)break;
  }
}

void display(int V[N])
{
printf("\n\n\n\n\t****** Sorted Array ******\n");
  for(int i=0;i < N;i++)
  {
   printf("\n%d",V[i]);
  }
}

java Simple Swing programe

import java.awt.*;

import javax.swing.*;

public class myswing1 extends Jframe {

public static void main(String arg[]) {

Jframe jf1=new Jframe("NIBM");

Jbutton jb1=new Jbutton("OK");

jf1.add(jb1);

jf1.setsize(200,300);

jf1.setvisible(true);

}

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