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iGate Core Java Interview Questions
Questions Answers Views Company eMail

What is the smallest package in Java API?

5 14028

when to use abstract class and when to use interface?

16 56042

Q1.A. Write note on “The class path Environment Variable”? B. Which are different kinds of source code? Q2.A. How to create an interface? B. Why convert an applet to an application? Q3.A. How to use Media tracker Class. B. How to use string tokenizer class. Q4 A. Explain the overview of UDP messaging. B. Difference between SQL Exception class and SQL Warning class. Q5. A. How to create com object in Java? B. Write short notes on “The properties class” Q6. A. When object is created and destroyed? B. Explain the JDB in depth & command line. C. Write short notes on Web Sites.

2 7809

Can we inherit the constructor in a Class?please give one example.

9 17998

why String class is immutable.

5 12717

why java is better then .net?

5 8182

What is basic concept of static in java ?

1 5989

public class Test { public static void main(String ar[]) { Integer a = 10; Integer b =10; Integer c = 145; Integer d = 145; System.out.println(a==b); System.out.println(c==d); } }

7 11890

what is ABSTRACTION and what are using in real time project?

1 3484

Tell me the programme for this @ 1 2 @ @ @ 1 2 3 4

5 5134

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iGate Core Java Interview Questions


Un-Answered Questions

What is the difference between JDK and JVM?

824


What is a page what does it contain?

197


How do I auto populate data in excel based on another cell?

393


Can you inherit a private class?

822


why do think you are best candicate for this post.

2040






What is the purpose of @action annotation?

730


What is the most recent skill you have learned that related to this job?

835


Name the sql joins that are available in informix.

54


how to count 4 column with two "and" condition in oracle? e.g task_type and cust_type and service_type are 3 column and we hv to count where task_type="new"and cust_type="jdp" and resulting column name will be new cust with jdp..and also we hv to count where task_type="new"and service_type="fs" resulting column name will be new cust with fs..

1509


Should I put quotes around attribute values?

613


How to sort an array in java without using sort method?

699


What are the anti-patterns of devops ?

1


What is adapter in blaze ds?

5


What does it mean if @@cursor_row returns a negative number?

717


How does combination of functions reduce memory requirements in embedded systems?

670