Here you can find the source of close(ZipFile zipFile)
public static void close(ZipFile zipFile)
//package com.java2s; import java.io.*; import java.util.zip.*; public class Main { /**/*from ww w. j ava 2 s . c om*/ * Closes zip file safely. */ public static void close(ZipFile zipFile) { if (zipFile != null) { try { zipFile.close(); } catch (IOException ioex) { // ignore } } } }