Get char array from String

Complete source code below will show you, how to get char array from a String. This char array we will store all characters in the String include white space.

**************************************************************************
COMPLETE SOURCE CODE FOR : GetCharArrayFromString.java
**************************************************************************

public class GetCharArrayFromString
{
public static void main(String[]args)
{
 //Create a String that we want to get character from it
 //You can try other String that you want
 String a="Get char array from String.........";

 //Create an array from type char that will store all characters from String
 //Method toCharArray() will get all characters in the String
 char[]storeAllStringCharacter=a.toCharArray();

 //Print number of characters in char array
 System.out.println("Number of characters in char array is : "+storeAllStringCharacter.length+"\n\n");

 //Print all character in char array include their index in String
 System.out.println("*******************************");
 System.out.println("THE CHARACTER IS : ");
 System.out.println("*******************************");
 System.out.println();

 for(int i=0; i<storeAllStringCharacter.length; i++)
 {
  System.out.println("Character at index "+i+" in the String is : "+storeAllStringCharacter[i]);
 }
}
}

**************************************************************************
JUST COMPILE AND EXECUTE IT
**************************************************************************

Get String from char array

Complete source code below will show you, how to get String from char array.

***********************************************************************
COMPLETE SOURCE CODE FOR : GetStringFromCharArray.java
***********************************************************************

public class GetStringFromCharArray
{
public static void main(String[]args)
{
 //Create an array from char type that will store all character for a String
 char[]allCharacter=new char[12];

 //Set all value in created array
 allCharacter[0]='H';
 allCharacter[1]='e';
 allCharacter[2]='l';
 allCharacter[3]='l';
 allCharacter[4]='o';
 allCharacter[5]=' ';
 allCharacter[6]='W';
 allCharacter[7]='o';
 allCharacter[8]='r';
 allCharacter[9]='l';
 allCharacter[10]='d';
 allCharacter[11]='!';

 //Get String from created char array
 String resultString=new String(allCharacter);

 //Print result
 System.out.println(resultString);
}
}

***********************************************************************
JUST COMPILE AND EXECUTE IT
***********************************************************************

Remove element from array

*************************************************
COMPLETE SOURCE CODE FOR : RemoveElementFromAnArray.java
*************************************************

public class RemoveElementFromAnArray
{
public static void main(String[]args)
{
 //Now we want to remove last element,"crocodile"
 String[]animal={"lion","tiger","elephant","crocodile"};

 //Step 1:Create a temp array with sizeArrayAnimal-1
 String[]temp=new String[animal.length-1];

 //Step 2:Copy element from "lion" to "elephant" into array temp
 System.arraycopy(animal,0,temp,0,(animal.length-1));

 //Make animal array point to temp array
 animal=temp;

 //Print all element in animal
 int temp2=0;
 while(temp2!=animal.length)
 {
  System.out.println(animal[temp2]);
  temp2=temp2+1;
 }
}
}

*************************************************
JUST COMPILE AND EXECUTE IT
*************************************************

Add element in array

Note : Source code below will show you how to add new element in a created array. It will add "monkey" word in an array that contains "lion","tiger","elephant","crocodile" word.

******************************************************
COMPLETE SOURCE CODE FOR : AddElementInArray.java
******************************************************

public class AddElementInArray
{
public static void main(String[]args)
{
 //Create array with it's component
 String[]animal={"lion","tiger","elephant","crocodile"};

 //Add an element - "Monkey"
 String a="monkey";

 //Step 1:Create temp array (size=(arrayThatWeWantToAddElement)+1)
 String[]temp=new String[(animal.length)+1];
 System.arraycopy(animal,0,temp,0,animal.length);
 temp[temp.length-1]=a;

 //Make animal array point to temp array
 animal=temp;

 //Print all element in animal
 int temp2=0;
 while(temp2!=animal.length)
 {
  System.out.println(animal[temp2]);
  temp2=temp2+1;
 }
}
}

******************************************************
JUST COMPILE AND EXECUTE IT
******************************************************

Copy all contents from one array to other array

*****************************************
COMPLETE SOURCE CODE FOR : CopyArray.java
*****************************************

public class CopyArray
{
public static void main(String[]args)
{
 //Create array with it's component
 String[]animal={"lion","tiger","elephant","crocodile"};

 //Create empty array with size same as animal
 String[]animal2=new String[animal.length];

 //Copy all element in animal into animal2
 System.arraycopy(animal,0,animal2,0,animal.length);

 //Print all element in animal2
 int temp=0;
 while(temp!=(animal.length))
 {
  System.out.println(animal2[temp]);
  temp=temp+1;
 }
}
}

*****************************************
JUST COMPILE AND EXECUTE IT
*****************************************