Core Java Interview Questions
Questions Answers Views Company eMail

What is a hashmap used for?

652

What is the new line character?

561

Where is the find and replace?

538

What is string pooling concept?

557

What is parseint?

540

Does substring create a new object?

530

What is charat ()?

531

What is the r character?

590

How do you declare a variable?

631

What does int argc char * argv [] mean?

521

How do you change an int to a string?

550

How do you escape a string?

508

What is difference between filereader and bufferedreader?

537

What does indexof mean?

537

What is the use of bufferedreader?

536


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Un-Answered Questions { Core Java }

What does int [] mean in java?

538


What is java’s garbage collected heap?

541


What is == mean?

553


What is static method with example?

623


Which collections are thread safe in java?

482






What is the escape character in java?

517


Will minecraft java be discontinued?

655


What does bitwise or mean?

571


Hi.... I applied for the post of scientific officer/Engineer-SB(Programmer).Please post the syllabus and sample papers.

1515


What is method overloading and method overriding?

538


Why we go for collections in java?

557


What is the importance of static variable?

590


What does i ++ mean in Java?

504


What is the use of generics? When was it added to the Java development Kit?

560


What are the limitations of procedural programming approach?

533