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Cognizant Core Java Interview Questions

Questions Answers Views Company eMail

How OOPS concept is achieved in Java?

6 25044

Explain difference between final, finally and finalize?

3 29329

what is the difference between abstract class and Interface?where we can use it in realtime projects?

23 70672

explain System.out.println

107 198977

What is hard code & soft code?

7 61061

What is Hash Code in Java?

6 15765

What are uses of Hash Code?

2 7365

Difference between interface and abstract class with ex.

4 9481

What is multithreading ???? How to stop multithrading in java????

1 5306

Suppose there is an array list [10,5,20,19,15,24].Print them in ascending & descending order in collection framework concept ???

2 6960

What is default specifier ??? Use of default specifier ???

4 8374

Is Java Class Threadsafe ????? How to make Java class Thread safe??

2 7864

I have a string like _a01_a02_a03_ and another string like _2_1.5_4_ as input.I want to extract a01,a02... to a string array and 2,1.5,etc to a double array with a01 corresponds to 2 and a02 to 1.5 etc. Need code in core java.. Can you do it?

1 4253

What are non-access modifiers?

2 3721

Why do we need to override equals() and hascode() method of object class?

1 3500

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Cognizant Core Java Interview Questions

Cognizant Core Java Interview Questions (18)

Un-Answered Questions

What is tsl?

1005

Give the syntax for jsp comments.

824

Which filter operation can you use to filter items with a numeric value lower than x?

404

What Different Types Of Bankruptcy Should I Consider?

1013

What does the theory describe?

What is the only known substance for which there is no triple point?

940

Is java a digit method?

955

What do you mean by Drill down and Drill Up?

951

How can you check the amount of lines in a file?

954

What happens to a line-frequency of high-frequency transformer when it is first energized/ re-energize?

2128

what are the responsibilities of a quality analyst in call center

5206

Define about rdb-list method?

446

In oracle forms report, what is the maximum length of record group column? What are the different types of record groups?

1249

If we buy crush sand for 3200/ Brass and cement for Rs350 /Bag and flyash 1200 / tonne....and my production is 230 Bricks per bag than how much cost is required for 1 flyash brick?

2134

What is stream api in java8?

1096