Java tutorial
//package com.java2s; import java.io.ByteArrayOutputStream; import java.io.IOException; public class Main { public static void freeeOutputStream(Object stream) { if (stream instanceof ByteArrayOutputStream) { ByteArrayOutputStream outputFormat = (ByteArrayOutputStream) stream; try { outputFormat.close(); } catch (IOException e) { e.printStackTrace(); } finally { outputFormat = null; } } System.gc(); } }