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Ericsson Core Java Interview Questions
Questions Answers Views Company eMail

what is webservices?

1 4989

What is the diff. b/w Interfaces & Abstract class?

6 6665

Which of these methods belong to Thread & Object class? join, yield, sleep, wait, notify

3 7563

Can we instantiate Interfaces?

7 11094

What do you mean by the term transient?

5 7244





What are the two ways you can synchronize a block of code?

5 10221

Package1 and Package2 both have a method name lets say "methodA" with different implementation. When I import both the packages in a java class how can I use both the methods?

7 7034

Why Static variable required in java?For ex,class A { static int a; int b; } Why static is required?

5 5556

Why method overloading and method overriding required in java?

1 3476

In collection sorting comparable and comparator interface will be used..but why this two interfaces required..two will work same purpose so why there are two interfaces instead of one?when to use comparator and when to use comparable?

1 3401

What do you mean by JVM?

118

What is nested loop? What is dangling else condition in it?

115

Give me an example of array and linked list? Where they can be used?

126

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Ericsson Core Java Interview Questions


Un-Answered Questions

list the locations where different active directory databases are held

3


What tool client can use to generate the proxy of WCF?

101


What are the different types of action?

99


What is user managed backup in Oracle?

143


How to sort the query output in oracle?

130






State the difference between Sales Tax and VAT.

145


What is the difference between user control an custom control?

81


1) How can u create the table?

928


What is the role of Dedicated earthing in UPS System?

2020


How string definitions will prevent escaping on backslashes in C#?

117


Explain customer Independent requirement .

892


how can we see all fields in test director

1370


Can vector have duplicates in java?

55


Where is program files located?

66


What is the use of idx2?

1