Java Interview Questions

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“Most of them were basic questions. One was " Write down Java classes and methods that you required for a Transaction" "How do you convey a Technical banking transaction to a street man"”

Intern at DIRECTV

Aug 5, 2013

“They only asked basic algorithm questions. But, the group used Java, they asked a lot of concepts.”

“Please go up to the white board and write an example of a java class with some methods and variables.”

“How do you make an instance of an abstract class?”

“Was asked to program quick-sort in Java.”

“Given some Java code representing a travel alert system, write one of the functions that returns the most relevant travel alert.”

“Implement a sparse matrix Java class with a constructor, set and get method. The matrix has millions of rows and columns and is at a maximum 15% populated.”

“Some questions in JAVA ?”

“Describe the singleton pattern in Java.”

“Write an efficient method to reverse a string.”

4150 of 212 Interview Questions