Java2007-09-02
equals() Versus == in Java
It is important to understand that the equals() method and the == operator perform two different operations. As just explained, the equals() method compares the characters inside a
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Java2007-09-02
compareTo() in Java
Often, it is not enough to simply know whether two strings are identical. For sorting applications, you need to know which is less than, equal to, or greater than the next. A strin
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Extract characters in Java
The String class provides a number of ways in which characters can be extracted from a String object. Each is examined here. Although the characters that comprise a string within a
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String Conversion and toString() in Java
When Java converts data into its string representation during concatenation, it does so by calling one of the overloaded versions of the string conversion method valueOf() defined
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String Concatenation using Java
In general, Java does not allow operators to be applied to String objects. The one exception to this rule is the + operator, which concatenates two strings, producing a String obje
Read tutorialJava2007-08-24
ZIP files in a folder and List files in a folder using Java Program
This Java sample program demonstrates two things. 1. Zip files. 2. To list all the files in a folder
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J2ME2007-08-23
Sample Java program shows how to Read a file over a network using J2ME midlet
This Sample Java program shows how to Read a file over a network using J2ME
Read tutorialJava2007-08-21
Sample Java program shows how to write to COM port using Java.
This Sample Java program shows how to write to COM port using Java.If you
Read tutorialJava2007-08-21
Sample Java program shows how to read from COM port using Java
This Sample Java program shows how to read from COM port using Java.If you
Read tutorialJava2007-08-09
Sample program to demonstrate the use of ActionListener
This Java samples program demonstrates the use of ActionListener event handler. Action listeners are probably the easiest - and most common - event handlers to implement. You imple
Read tutorialJava2007-07-12
java.io.IOException: HTTPS hostname wrong: should be
java.io.IOException: HTTPS hostname wrong: should be......This error occurs when you are trying to access a HTTPS url. You might have already installed the server certificate to yo
Read tutorialJava Beans2007-07-12
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
Are you getting this error? javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBui
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