#Java - Code Snippets for '#Coding'

#Java - Code Snippets for '#Coding' - 4 code snippet(s) found

Sample 1. Code Sample / Example / Snippet of org.apache.commons.compress.archivers.zip.ZipEncoding

    private static void assertUnicodeName(final ZipArchiveEntry ze,

                                          final String expectedName,

                                          final String encoding)

        throws IOException {

        if (!expectedName.equals(ze.getName())) {

            final UnicodePathExtraField ucpf = findUniCodePath(ze);

            assertNotNull(ucpf);



            final ZipEncoding enc = ZipEncodingHelper.getZipEncoding(encoding);

            final ByteBuffer ne = enc.encode(ze.getName());



            final CRC32 crc = new CRC32();

            crc.update(ne.array(), ne.arrayOffset(),

                       ne.limit() - ne.position());



            assertEquals(crc.getValue(), ucpf.getNameCRC32());

            assertEquals(expectedName, new String(ucpf.getUnicodeName(),

                                                  CharsetNames.UTF_8));

        }

    }

_{Like Feedback org.apache.commons.compress.archivers.zip.ZipEncoding}

Sample 2. Write a program / method to print first letter of words in a string.

public void printFirstLetterOfWords(String str){

   String[] splittedStringArray = str.split(" ");

   for(String word:splittedStringArray){

      System.out.println(word.charAt(0));

   }

}

_{Like Feedback Code Coding String}

Sample 3. Write a Program to swap 2 variables ( using 3rd variable )

int x = 1;

int y = 2;

int z = x;

x = y;

y = z;

      

System.out.println("x="+x);

System.out.println("y="+y);

_{Like Feedback swap 2 variables code coding}

Sample 4. Write a Program to read a file and then count number of words

public class CountwordsinFile {

   public static void main(String[] args) throws IOException{

      String line = null;

      

      File file = new File("C:Hello.txt");

      FileReader fileReader = new FileReader(file);

      

      BufferedReader bufferedReader = new BufferedReader(fileReader);

      

      int countWords = 0;

      

      do {

         

         line = bufferedReader.readLine();

         countWords += line.split(" ").length;

         

      } while(line != null);

   }

}

_{Like Feedback file handling count number of words code coding file handling}

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