Core Java
Use ANT to Build a JAR MANIFEST.MF File
118
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.
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Core Java
Java MD5 example
8127
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
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Core Java
Java Regular Expression to validate email address
06
A regular expression, specified as a string Pattern, be compiled into an instance of this class to search, edit or manipulate text and data.
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Core Java
Java copy to clipboard
531
The clipboard is a set of functions and messages that enables applications to transfer data each other, Java implements the mechanism to transfer data
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Core Java
How to convert string to int in java
09
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).
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Core Java
How to sort an array in java
010
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
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Core Java
How do I Get User Application Data Directory in Java?
128
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
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Core Java
How to recursively List All Files in a Directory in Java
014
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
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Core Java
Java Interview Swing Questions
010
Here list some java interview swing questions: Interview Questions (1):  What’s swing? Answer:  It is the Java graphical user interface (GUI) toolkit which
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Core Java
How do I sort a Map by Key in Java
115
The elements in map are stored as {<”testkey1″, “value1″>, <”testkey2″, “value2″>, Map class makes no guarantees as to the order, it is unordered
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