Java Tutorial : Java StringBuilder [capacity() method]

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Java Tutorial : Java StringBuilder [capacity() method] 

StringBuilderDemo.java

/*
 * public int capacity()
 *  
 * Returns: 
 * -------- 
 * the current capacity
 */

public class StringBuilderDemo
{

    public static void main(String[] args)
    {
        StringBuilder sb = new StringBuilder();
        // default 16
        System.out.println(sb.capacity());
        sb.append("Hello");
        // now 16
        System.out.println(sb.capacity());
        sb.append("Hello peter welcome to India");

        // now (16*2)+2=34 i.e (oldcapacity*2)+2
        System.out.println(sb.capacity());
    }
}

Output

16
16
34

Click the below link to download the code:
https://sites.google.com/site/javaee4321/java/StringBuilderDemo_capacity_App.zip?attredirects=0&d=1

Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/StringBuilderDemo_capacity_App

Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/4fb20859f2e7f390cc32dd6346f52d7d27c7a813/BasicJava/StringBuilderDemo_capacity_App/?at=master

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