Java : Add Action Listener for GUI

Add Action Listener for GUI

Make sure you have added - "WindowsBuilder Pro " for your Eclipse.

1. Click on Design Tab.
2.  
   
3. Once you have click on kind on listener you want in the "Design" automatically that listener will be added in the Code and you will be taken to the listener in the Source (Code view ) .

Selenium : Reverse each word of a sentence

Reverse each word of a sentence

import javax.swing.JOptionPane;

import org.apache.commons.lang3.StringUtils;

public class Reverse_words_sentence {

 public static void main(String[] args)
 {
  String sStr=JOptionPane.showInputDialog("Enter a string");
  String[] sArr=StringUtils.split(sStr, " ");
  String sRes;

  for (int i=0 ;i<=sArr.length-1;i++)
  {
   sArr[i]=StringUtils.reverse(sArr[i]);
  }
  sRes=StringUtils.join(sArr, " ");
  System.out.print(sRes);
 }

}

Selenium :Reverse a String without using builtin Functions

Reverse a String without using builtin Functions

import javax.swing.JOptionPane;

import org.apache.commons.lang3.StringUtils;

public class Reverse_str
{

 public static void main(String[] args)
 {
  String sStr=JOptionPane.showInputDialog("Enetr a str");
  String sRes="";
  for (int i=sStr.length() ;i>=0;i--)
  {
   sRes=sRes+StringUtils.mid(sStr, i, 1);
  }
  System.out.print(sRes);
 }


}

Selenium : To find the length of the string withouth using "Length " function

 To find the length of the string withouth using "Length " function

import javax.swing.JOptionPane;
import org.apache.commons.lang3.StringUtils;

public class Len_of_string
{
 public static void main(String[] args)
 {
  String sStr= JOptionPane.showInputDialog("enter string");
  char[] sArr=sStr.toCharArray();
  System.out.print(sArr.length);
 }
}

Selenium : Extract only digits from a string ( try ....catch )

                                                Extract only digits from a string

import javax.swing.JOptionPane;
import org.apache.commons.lang3.StringUtils;
public class extract_digits
{
 public static void main(String[] args)
 {
 String sStr=JOptionPane.showInputDialog("Enter any string with Digit");
 String sRes="";
 int sTemp;

 for (int i=1 ; i<=sStr.length();i++)
 {
   try
   {
     sTemp=Integer.parseInt(StringUtils.mid(sStr, i, 1));//substring(sStr, 1, end)
     sRes=sRes+"\n"+sTemp;
   
   }catch (Exception  e)
   { 
   }
 }

 System.out.println(sRes);
}
}



Selenium : Program To display each Character seperatly from a string

 Program To display each Character seperatly from a string

import javax.swing.JOptionPane;
import org.apache.commons.lang3.StringUtils;

public class Display_each_char
{
 public static void main(String[] args)
 {
  String sStr=JOptionPane.showInputDialog("Enetr some data");

  for (int i=0 ;i<= sStr.length();i++)
  {
   System.out.println(StringUtils.mid(sStr, i, 1));
  }
  
 }
}
 

Selenium : To find substring inside a string

To find substring inside a string



import javax.swing.JOptionPane;

public class Substring_in_string
{

 public static void main(String[] args)
 {

  String sData1=JOptionPane.showInputDialog("enter a string data");
  String sData2=JOptionPane.showInputDialog("enter a sub string data");
  if (sData1.contains(sData2) == true)
  {
  System.out.print("The substring exits ");
  }
  else
  {
   System.out.print("The substringdoes not exits ");
  }
 }

}

Selenium : Find occurence of last "/" in an URL without using string reverse function(built in function)

 

 Find occurence of last "/" in an URL without using string reverse function(built in function)

import javax.swing.JOptionPane;
import org.apache.commons.lang3.StringUtils;
public class url_bkslah_nrev
{
 public static void main(String[] args)
 {
  String sUrl=JOptionPane.showInputDialog("enter Url");
  Boolean bFlag=false;
  int i;

  for( i=sUrl.length()-1; i>=0 ; i--)  // Do if true until false
  {
   if (StringUtils.mid(sUrl, i, 1).charAt(0) == "/".charAt(0)) //converting to character
   {
    bFlag=true;
    break;
   }
  }

  if (bFlag=true)
  {
   System.out.print("/ exists at "+(i+1));
  }
  else
  {
   System.out.print("/ not exists");
  }

 }
//1/3/56/'
}

Selenium : Find the last occurence of "/" in the URL

                                    Find the last occurence of "/" in the URL

import javax.swing.JOptionPane;
import org.apache.commons.lang3.StringUtils;

public class url_backslash
{
 public static void main(String[] args)
 {
  String sUrl=JOptionPane.showInputDialog("enter url");
  Boolean bFlag=false;
  int i;
  String sReverse=StringUtils.reverse(sUrl);
  for ( i=0 ;i<=sUrl.length()-1;i++)
  {
   //if (Character.toString(sReverse.charAt(i)) ==  "/")  //Convert character to string
   if (sReverse.charAt(i)== "/".charAt(0))
   {
    bFlag=true;
    break;
   }
  }

  if ( bFlag = true )
  {
   System.out.print("the last '/' exists @ "+(sUrl.length()- i));
  }
  else
  {
   System.out.print("/ does not exists");
  }
 }
}
 

Selenium : Display data in right angle triangle with side towards right

Display data in right angle triangle with side towards right



I have used "StringUtils.leftPad"  which is present inside " org.apache.commons.lang3.StringUtils; "

1. Download common/common-lang3.jar.zip( 613 k) from http://www.java2s.com/Code/Jar/c/Downloadcommonlang3jar.htm

2.Extract Jar files and the files to your Package in Eclipse.

 import javax.swing.JOptionPane;
import org.apache.commons.lang3.StringUtils;

public class Triangle_right
{

 public static void main(String[] args)
 {
  String sRes="";
  String sData=JOptionPane.showInputDialog("enter data");
  for (int i=1 ; i<=sData.length();i++)
  {
   sRes=sRes+StringUtils.leftPad( sData.substring(0, i), sData.length())+"\n";    
  }
  System.out.print(sRes);
 }

}

Selenium :Display data in form of triangle in reverse

 Display data in form of triangle in reverse

import javax.swing.JOptionPane;

public class display_data_tri2
{
 public static void main(String[] args)
 {
    String sRes="";
    String sData=JOptionPane.showInputDialog("enter data");
    for (int i=sData.length() ;i>=1;i--)
    {
     sRes=sRes+sData.substring(0, i)+"\n";    
    }
    System.out.print(sRes);
  } 
} 

Selenium : To display data in the form of right angled triangle

 To display data in the form of right angled triangle

import javax.swing.JOptionPane;
public class Triangle_left
{
 public static void main(String[] args)
 {
  String sRes="";
  String sData=JOptionPane.showInputDialog("enter data");
  for (int i=1 ; i<=sData.length();i++)
  {
   sRes=sRes+sData.substring(0, i)+"\n";    
  }
  System.out.print(sRes);
 }
} 

Selenium :Search a String in a 2D array

Search a String in a 2D array

import javax.swing.JOptionPane;

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

  String arr_String[][]=new String[3][3];

  for (int i=0 ;i<=2 ;i++)
  {
   for (int j=0;j<=2;j++ )
   {
    arr_String[i][j]=JOptionPane.showInputDialog("Enter string for arr_String["+i+"]["+j+"]");
   }
  }

  String sData=JOptionPane.showInputDialog("Enter Data to be searched");
  Boolean bFlag=false;

  for (int i=0 ;i<=2 ;i++)
  {
    for (int j=0;j<=2;j++ )
    {
     if (arr_String[i][j]==sData)
     {
      bFlag=true;
     }
    }
  
   if (bFlag=true)
   {
    break ;
   }   
  }

  if (bFlag=true)
  {
  System.out.println("the data exists");
  }
  else
  {
   System.out.println("the data does not exist");
  }
   
 }
}

Selenium :Transpose of Matrix

                                                    Transpose of Matrix

public class Transpose_Matrix
{
 /**
  * @param args
  */
 public static void main(String[] args)
 {
  String sRes="";
  int aArray[][]=new int [3][3];
  aArray[0][0]=0;
  aArray[0][1]=0;
  aArray[0][2]=0;

  aArray[1][0]=1;
  aArray[1][1]=1;
  aArray[1][2]=1;

  aArray[2][0]=2;
  aArray[2][1]=2;
  aArray[2][2]=2;


  for (int i=0 ; i<=aArray.length-1 ;i++)
  {
   for (int j=0;j<=aArray[0].length-1;j++)
   {
    sRes=sRes+" "+aArray[i][j];
   }
   sRes=sRes+"\n";
  }
  System.out.println(sRes);
  sRes="";
  //-----------------------------------------Method 1 
  for (int j=0;j<=aArray[0].length-1;j++)

  {
   for (int i=0 ; i<=aArray.length-1 ;i++)
   {
    sRes=sRes+" "+aArray[i][j];
   }
   sRes=sRes+"\n";
  }
  System.out.println(sRes);
  sRes="";
  //-----------------------------------------Method 2
  for (int i=0 ; i<=aArray.length-1 ;i++)
  {
   for (int j=0;j<=aArray[0].length-1;j++)
   {
    sRes=sRes+" "+aArray[j][i];
   }
   sRes=sRes+"\n";
  }
  System.out.println(sRes);
 }
}

Selenium :Print Array 3X3 in the form of Matrix

Print Array 3X3  in the form of Matrix



public class Print_array_in_matrix

{

 public static void main(String[] args)
 {
  String sRes="";
  int aArray[][]=new int [3][3];
  aArray[0][0]=0;
  aArray[0][1]=0;
  aArray[0][2]=0;

  aArray[1][0]=0;
  aArray[1][1]=0;
  aArray[1][2]=0;

  aArray[2][0]=0;
  aArray[2][1]=0;
  aArray[2][2]=0;


  for (int i=0 ; i<=aArray.length-1 ;i++)
  {
   for (int j=0;j<=aArray[0].length-1;j++)
   {
    sRes=sRes+" "+aArray[i][j];
   }
   sRes=sRes+"\n";
  }
  System.out.print(sRes);
  

 }

}

Selenium :To find Factorial of a number

To find Factorial of a number

import javax.swing.JOptionPane;
public class Factorial
{
 public static void main(String[] args)
 {
  int iRes=1;
  String sPict="1";
  int ifact=Integer.parseInt(JOptionPane.showInputDialog("enter an integer"));

  for (int i=2 ; i<=ifact ; i++)
  {
   iRes=iRes*i;
   sPict=i+"x"+sPict;
  
  }
  System.out.println(sPict+"="+iRes); 
 }
}

Selenium : Accept Array and print in Reverse order

Array in Reverse order

public class Array_Reverse
{

 public static void main(String[] args)
 {
  int aArray[]= new int[2];//  2 means not 2+1 --> aArray[0] , aArray[1]
  for (int iSize=0 ; iSize<=aArray.length-1 ; iSize++)
  {
   aArray[iSize]=Integer.parseInt(JOptionPane.showInputDialog("Enter value for aArray["+iSize+"]" ));
  }
  //System.out.println(aArray[0]);

  int iSize=aArray.length-1;
  for ( iSize=aArray.length-1 ; iSize>=0 ; iSize--) //"iSize>=0 "Execute if true till false
  {
   System.out.println("aArray["+iSize+"]="+aArray[iSize]);
  }
 
  for ( iSize=0 ; iSize<=aArray.length-1 ;iSize++ )// Execute if true till false
  {
   System.out.println(aArray[iSize]);
  }
 
  System.out.println("Done"); 

 }
}

Selenium : To check whether the given number is prime

To check whether the given number is prime

import javax.swing.JOptionPane;

public class Prime {

 public static void main(String[] args)
 {
  boolean bFlag=true;
  int iVar=Integer.parseInt(JOptionPane.showInputDialog("Enter an integer value"));
  for (int i=2 ; i<=iVar/2 ; i++)
  {
   if (iVar%i == 0)
   {
    System.out.print("The number is not prime");
    bFlag=false;
    break ;
   } 
 
  }
  if( bFlag == true )
  {
   System.out.print("The number is prime");
  }   

 }

}

Selenium : Size of Matrix or 2D array

 Calculate Size of Matrix or Size of 2D Array


public class Size_Matrix {
 public static void main(String[] args)
 {
  int[][] matrix = new int[20][30];
  System.out.println("Number of rows = " + matrix.length);
  System.out.println("Number of columns = " + matrix[0].length);
 }
} 

Selenium : Units of Electricity bill

Calculate Units of Electricity bill

0-50      -> $.5/Unit

50-100  ->$1.5/Unit

100-200->$2 /unit

150-200->$3/Unit

>200    ->  $4/unit

import javax.swing.JOptionPane;

public class Electricity
{

 public static void main(String[] args)
 {
  int iUnit=Integer.parseInt(JOptionPane.showInputDialog("Enter units consumed"));

  if (iUnit<= 50) // ex 30 unit ==$0.5
  {
   System.out.print("Pay ="+"$.5");
 
  }
  else if (50  < iUnit && iUnit <=100 )  //Eg 70 Unit = 30.5
  {
   System.out.print("Pay =$"+(.5+(iUnit-50)*1.5));
  }
  else if (100  < iUnit && iUnit <=150 ) //Eg 120 Unit = 115.5
  {
   System.out.print("Pay =$"+( ((iUnit-100)*2) + ((50*1.5)) +(.5)));
  }
  else if (150  < iUnit && iUnit <=200 ) //Eg 170 Unit =$235.5
  {
   System.out.print("Pay =$"+((iUnit-150)*3+(50*2)+(50*1.5)+.5));
  }
  else if (iUnit >200 )  //Eg 210 units
  {
   System.out.print("Pay =$"+((iUnit-200)*4+(50*3)+(50*2)+(50*1.5)+.5));
  }

 }

}