StringBuilder ensureCapacity() Method In Java

Chapter: String Handling Last Updated: 01-05-2016 18:17:21 UTC

Program:

            /* ............... START ............... */
                
public class JavaStringBuilderEnsureCapacity {

	public static void main(String args[]) {

		StringBuilder stringBuilder = new StringBuilder();
		System.out.println(stringBuilder.capacity());// default 16
		stringBuilder.append("JavaScan");
		System.out.println(stringBuilder.capacity());// now 16
		stringBuilder.append("is my favourite site");
		System.out.println(stringBuilder.capacity());
		stringBuilder.ensureCapacity(10);// now no change
		System.out.println(stringBuilder.capacity());// now 34
		stringBuilder.ensureCapacity(50);// now (34*2)+2
		System.out.println(stringBuilder.capacity());// now 70

	}
}
                /* ............... END ............... */
        

Output

16
16
34
34
70

Tags

StringBuilder ensureCapacity(), Java, String

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