Copy characters from string into char Array : String vs Char Array « Data Type « Java Tutorial

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Java Tutorial » Data Type » String vs Char Array

2. 28. 4. Copy characters from string into char Array


public class MainClass 

{

   public static void main( String args[] )

   {

      String s1 = "hello there";

      char charArray[] = new char[ 5 ];



      System.out.printf( "s1: %s", s1 );



      for ( int count = s1.length() - 1; count >= 0; count-- )

         System.out.printf( "%s ", s1.charAt( count ) );



      // copy characters from string into charArray

      s1.getChars( 0, 5, charArray, 0 );

      System.out.print( "\nThe character array is: " );



      for ( char character : charArray )

         System.out.print( character );

   }

}

s1: hello theree r e h t   o l l e h 
The character array is: hello

2. 28. String vs Char Array
	2. 28. 1.	Demonstrates the charAt and getChars
	2. 28. 2.	Converting Char array to String
	2. 28. 3.	Creating Character Arrays From String Objects
	2. 28. 4.	Copy characters from string into char Array
	2. 28. 5.	Creating String Objects From Character Arrays
	2. 28. 6.	new String(textArray, 9, 3): Creating String Objects From certain part of a character Array
	2. 28. 7.	Creating String Objects From Character Arrays using String.copyValueOf()
	2. 28. 8.	Creating a string from a subset of the array elements
	2. 28. 9.	Extracting a substring as an array of characters using the method getChars()
	2. 28. 10.	Using the Collection-Based for Loop with a String: Counting all vowels in a string
	2. 28. 11.	Construct one String from another.
	2. 28. 12.	demonstrates getChars( ):
	2. 28. 13.	implements CharSequence
	2. 28. 14.	Removes spaces (char <= 32) from end of this String with escape, handling null by returning null
	2. 28. 15.	Removes spaces (char <= 32) from end of this String, handling null by returning null
	2. 28. 16.	Swaps the case of a String changing upper and title case to lower case, and lower case to upper case.
	2. 28. 17.	Deletes all whitespaces from a String as defined by Character.isWhitespace(char).
	2. 28. 18.	Checks whether the String contains only digit characters.
	2. 28. 19.	Checks that the String does not contain certain characters.

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