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# Java Examples - String buffering

## Problem Description:

How to buffer strings ?

## Solution:

Following example buffers strings and flushes it by using emit() method.

    public class StringBuffer{
       public static void main(String[] args) {
          countTo_N_Improved();
       }
       private final static int MAX_LENGTH=30;
       private static String buffer = "";
       private static void emit(String nextChunk) {
          if(buffer.length() + nextChunk.length() > MAX_LENGTH) {
             System.out.println(buffer);
             buffer = "";
          }
          buffer += nextChunk;
       }
       private static final int N=100;
       private static void countTo_N_Improved() {
          for (int count=2; count<=N; count=count+2) {
             emit(" " + count);
          }
       }
    }

## Result:

The above code sample will produce the following result.

    2 4 6 8 10 12 14 16 18 20 22
    24 26 28 30 32 34 36 38 40 42
    44 46 48 50 52 54 56 58 60 62
    64 66 68 70 72 74 76 78 80 82

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