Java StringBuilder EnsureCapacity

Chapter: String Handling Last Updated: 27-05-2017 14:52:08 UTC

Program:

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

	public static void main(String args[]) {

		StringBuffer stringbuffer = new StringBuffer();
		System.out.println(stringbuffer.capacity());
		stringbuffer.append("JavaScan");
		System.out.println(stringbuffer.capacity());
		stringbuffer.append("is my favourite site");
		System.out.println(stringbuffer.capacity());
		stringbuffer.ensureCapacity(10);
		System.out.println(stringbuffer.capacity());
		stringbuffer.ensureCapacity(50);
		System.out.println(stringbuffer.capacity());

	}
}

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

Output

16
16
34
34
70

Notes:

  • The java.lang.StringBuffer.ensureCapacity() method ensures that the capacity is at least equal to the specified minimum. If the current capacity is less than the argument, then a new internal array is allocated with greater capacity.

Tags

StringBuilder EnsureCapacity, Java, String

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