Java J2EE Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Java J2EE Interview Questions

Questions Answers Views Company eMail

What is a default constructor and also define copy contrucyor?

Global Logic,

1 1169

Why use string handling in Java?

HCL,

1 1088

Explain heap sort?

Flextronics,

1 1188

What are recursive functions? Give some examples?

Axtria, ITC Indian Tobacco Company,

1 1257

How do you access command-line arguments within the code?

Flextronics, Hexaware,

1 1117

What is the difference between static and global variables and also define what are volatile variables?

Flextronics, Hexaware,

1 1122

What is a Hash Table? What are the advantages of using a hash table?

Ciena,

1 1145

What is a Transient Object?

InfoAxon Technologies,

1 1144

Why declare Main() method as a static in java ?

HCL,

1 1127

This abstract class is correct ? abstract class A { public abstract void Disp(); public abstract void B() { } public absract virtual C() { } }

HCL,

1 1050

What are memory tables?

Aspiring Minds,

1 1158

Explain the selection sort algorithm?

Hexaware,

1 1126

What are daemon Threads in java?

Impetus,

1 1278

What is the basic concepts of OOPS?

BlackRock,

1 1256

What is backdrop?

Atos Origin,

1 1151

Un-Answered Questions { Java J2EE }

What do you mean by an interface in java?

1084

How can you inject java collection in spring?

493

Write a program to print count of empty strings in java 8?

1071

Write a program to find the whether a number is an Armstrong number or not?

1085

What is latest hibernate version?

465

hi actully i hav form columns with origin and destination names .as like as i need to create one more column with name amount. my requirement is when i select origin and destination columns automatically i need to get amount from database.how can i. please tel me with relative code

2848

What is the difference between break and continue statements?

1107

Hi frnds how to lock an user when he enter wrong credentials more than 3 time using java or j2ee tech take username and password in a bean no need to connect DB and validate give me some sample application code or links its urgent for me thanks in advance

2409

What is action chaining ?

1148

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117

What is the difference between equals() and == in java?

1021

Realized?

2239

What do you know about validation plugin ?

1009

Is minecraft 1.15 out?

1024

What is a classloader in java?

1072

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