Java Interview Questions - file or java.io package
1. What is File? File is a container which store text or binary information for a permanent period. 2. What are the different operations able to operate the File?
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Java Interview Questions - Inheritance
1. How to access the member of a different class? To access the member of different class user may use Aggregation or …
Java Interview Questions - Java.util Package
1. Define package? package is a collection of group of similar types of classes , interfaces and sub packages. 2. State …
Java Interview Questions - Method
1. What are the different types of methods in java? There are 6 types of method support by java. They are:
Java Interview Questions - Multithreading
1. What is Thread from java point of view? Thread is a light weight sub process which is suitable for game & network …
Java Interview Questions - Nested Class
1. What is Nested top-level class? A top level class does not appear inside another class or interface. If a type is not …
Java Interview Questions - Operator
1. How may number of operators present in java? Java supports 44 number of of operator. 2. How to convert one type to …
Java Interview Questions - Package
1. What is package? Package is a collection of group of similar types of classes, interfaces and sub packages. 2. State …
Java Interview Questions - Polymorphism
1. What is Polymorphism and ways to supports in java? Polymorphism is the concept of “one interface and many …
Java Interview Questions - String & StringBuffer
1. What is String and how String differ from C Lang? String is a predefined class present in java.lang package. String …
Java Interview Questions - Swing
1. What is the difference between Swing and AWT components? Basically AWT came first and is a set of heavyweight UI …