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Core Java interview questions – Part 6

Sunday, March 18th, 2012 Posted in Core Java interview questions | 11 Comments »

91. What is java byte code? Byte code is an sort of intermediate code. The byte code is processed by virtual machine. 92. What is method overloading? Method overloading is the process of ... Read more..

Core Java interview questions – Part 7

Thursday, March 15th, 2012 Posted in Core Java interview questions | 1 Comment »

106. What is java collections? Java collections is a set of classes, that allows operations on a collection of classes. 107. Can we compile a java program without main? Yes, ... Read more..

Core Java interview questions – Part 8

Wednesday, March 7th, 2012 Posted in Core Java interview questions | No Comments »

121. What is an interface? An interface is a collection of method declarations and constants. In java interfaces are used to achieve multiple inheritance. It sets a behavioral protocol ... Read more..

Core Java interview questions – Part 9

Tuesday, March 6th, 2012 Posted in Core Java interview questions | No Comments »

136. Why Java is not 100% pure object oriented language? Because java uses primitives. 137. Why ArrayList is faster than Vector? Because Vector is synchronized. Synchronization reduces the ... Read more..

Core Java interview questions – Part 10

Monday, February 20th, 2012 Posted in Core Java interview questions | No Comments »

151. What is meant by Open Source ? In general, open source refers to any program whose source code is made available for use or modification as users or ... Read more..

Core Java interview questions – Part 11

Sunday, February 12th, 2012 Posted in Core Java interview questions | No Comments »

166. What is aggregation? It is a special type of composition. If you expose all the methods of a composite class and route the method call to the composite method ... Read more..

Core Java interview questions – Part 12

Tuesday, February 7th, 2012 Posted in Core Java interview questions | No Comments »

181. What is an Object and how do you allocate memory to it? Object is an instance of a class and it is a software unit that combines a structured ... Read more..