Java ZipEntry getCreationTime() function with examples


The getCreationTime() function is a part of java.util.zip package. The function returns the Creation Time of a specific ZipEntry or null if the creation time is not specified.
The function returns FileTime Object, which represents the creation time of the ZipEntry .
Function Signature :

public FileTime getCreationTime()

Syntax :

zip_entry.getCreationTime();

Parameters :No parameter is required for this function.
Return value :The function returns FileTime Object, which represents the creation time of the ZipEntry .
Exceptions :The function does not throw any exception.



Below programs illustrates the use of getCreationTime() function

Example 1: We will create a file named zip_file and get the zip file entry using getEntry() function and then get the CreationTime of the specified ZipEntry.”file.zip” is a zip file present in f: directory. we will take a “.zip” file as ZipEntry

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// Java program to demonstrate the
// use of getCreationTime() function
  
import java.util.zip.*;
import java.util.Enumeration;
import java.util.*;
import java.io.*;
import java.nio.file.attribute.*;
  
public class solution {
    public static void main(String args[])
    {
        try {
            // Create a Zip File
            ZipFile zip_file = new ZipFile("f:\\file1.zip");
  
            // get the Zip Entry using
            // the getEntry() function
            ZipEntry entry = zip_file.getEntry("file.zip");
  
            // Get the CreationTime
            // using the getCreationTime()
            // function
            FileTime input = entry.getCreationTime();
  
            // Display the CreationTime
            System.out.println("CreationTime : " + input.toString());
        }
        catch (Exception e) {
            System.out.println(e.getMessage());
        }
    }
}

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Output:

CreationTime : 2019-02-21T21:09:35.688822Z

Example 2: We will create a file named zip_file and get the zip file entry using getEntry() function and then get the CreationTime of the specified ZipEntry.”file.zip” is a zip file present in f: directory. we will take a “.cpp” file as ZipEntry

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// Java program to demonstrate the
// use of getCreationTime() function
  
import java.util.zip.*;
import java.util.Enumeration;
import java.util.*;
import java.io.*;
import java.nio.file.attribute.*;
  
public class solution {
    public static void main(String args[])
    {
        try {
            // Create a Zip File
            ZipFile zip_file = new ZipFile("f:\\file1.zip");
  
            // get the Zip Entry using
            // the getEntry() function
            ZipEntry entry = zip_file.getEntry("file1.cpp");
  
            // Get the CreationTime
            // using the getCreationTime()
            // function
            FileTime input = entry.getCreationTime();
  
            // Display the CreationTime
            System.out.println("CreationTime : " + input.toString());
        }
        catch (Exception e) {
            System.out.println(e.getMessage());
        }
    }
}

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Output:

CreationTime : 2018-12-07T13:11:25.357749Z

Reference: https://docs.oracle.com/javase/8/docs/api/java/util/zip/ZipEntry.html#getCreationTime–



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