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How to format date and time in Android?

... Use the standard Java DateFormat class. For example to display the current date and time do the following: Date date = new Date(location.getTime()); DateFormat dateFormat = android.text.format.DateFormat.getDateFormat(getApplicationContext(...
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How to generate JAXB classes from XSD?

I'm a total newbie with XML. I'm doing a Java EE project REST implementation and we return a lot of XML. With this we decided to use JAXB. So far, we manually coded the Models for the XML. ...
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Explicitly calling a default method in Java

Java 8 introduces default methods to provide the ability to extend interfaces without the need to modify existing implementations. ...
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What does (angle brackets) mean in Java?

I am currently studying Java and have recently been stumped by angle brackets(). What exactly do they mean? 6 Answers ...
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How to convert BigDecimal to Double in Java?

How we convert BigDecimal into Double in java? I have a requirement where we have to use Double as argument but we are getting BigDecimal so i have to convert BigDecimal into Double . ...
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How to properly compare two Integers in Java?

... As of Java 1.6.27+ there an overload on equals in the Integer class, so it should be as efficient as calling .intValue(). It compares the values as primitive int. – otterslide Sep 22 '16 at 17...
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Setting a system environment variable from a Windows batch file?

... Simple example for how to set JAVA_HOME with setx.exe in command line: setx JAVA_HOME "C:\Program Files (x86)\Java\jdk1.7.0_04" This will set environment variable "JAVA_HOME" for current user. If you want to set a variable for all users, you have to us...
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What is the difference between Serializable and Externalizable in Java?

What is the difference between Serializable and Externalizable in Java? 11 Answers ...
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Initialize a long in Java

Primitive Data Types - oracle doc says the range of long in Java is -9,223,372,036,854,775,808 to 9,223,372,036,854,775,807 . But when I do something like this in my eclipse ...
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What's a monitor in Java?

What's a monitor referred to in concurrent programming in Java? 7 Answers 7 ...