N - Java Glossary

1. Java Number Format
   In programming languages, a pattern of special characters is used to specify the format of the number. In java this is achieved by the java.text.NumberFormat class.
    

2. Java Nested Class
   In Java programming language, when a class is defined within another class then such a class is called a nested class. Nested classes are a feature of Java that is included in jdk1.1.
    

3. Java NullPointerException
   NullPointerException is a kind of unchecked exception that occurs when an application attempts to use null in a case where an object is required. It is also known as runtime time exception, which occurs while running a program. 
     

4. Java Native Keyword
   Native is a Java keyword that is used in method declarations to specify that the method will not be implemented in another language, not in Java.
     

5. Java NetBean
   The NetBeans IDE is a free, open-source Integrated Development Environment for software developers through which the developers get all the needed tools to create professional desktop, enterprise, web and mobile applications in Java.
    

6. The new keyword
   The new keyword in java programming language is used to create a new instance of a class or an array. Keywords are basically reserved words which have specific meaning relevant to a compiler. The new keyword allocates new objects and initialize them.
    

7. The null keyword
   The null keyword in java programming language is a reserved word that is used to represent no value. Keywords are basically reserved words which have specific meaning relevant to a compiler.