Archive for March, 2012
Sunday, March 18th, 2012 Posted in Core Java interview questions | 10 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..
Thursday, March 15th, 2012 Posted in Core Java interview questions | No Comments »
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..
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..
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..