Core Java

This tutorial look at how to use ant to create a Jar MANIFEST.MF file, as Prerequisites, please download Ant(http://ant.apache.org/bindownload.

Java MD5 Overview MD5 (Message-Digest algorithm 5) is a widely used cryptographic hash function with a 128-bit hash value, specified in RFC 1321, MD5 is

A regular expression, specified as a string Pattern, be compiled into an instance of this class to search, edit or manipulate text and data.

The clipboard is a set of functions and messages that enables applications to transfer data each other, Java implements the mechanism to transfer data

The propose of this tutorial is to guide you how to convert a string data to int in Java, it’s very basic skill for a Java developer. (1).

A Java array is an indexed table with a fixed number of slots, each slot holds a item, and all elements have the same type, this tutorial will demo how

The Java program sometimes need to access the user application data directory, to save or get some temp or cache dates, the application data file path

The propose of this tutorial is to demonstrate how do I list all files In a directory in Java, unfortunately, such common function isn’t supported in JDK

Here list some java interview swing questions: Interview Questions (1):  What’s swing? Answer:  It is the Java graphical user interface (GUI) toolkit which

The elements in map are stored as {<”testkey1″, “value1″>, <”testkey2″, “value2″>, Map class makes no guarantees as to the order, it is unordered