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Core Java Interview Questions
Questions Answers Views Company eMail

What is the use of collections in java? How it is implemented in real time applications?

 2 11211

1.) if we use "private" in place of "public" in public static void main()... 2.) if we use "int" in place of "void".... 3.) can we ommit "static" keyword from that statement.... 4.) also can we give the command line arguments type as int type or float,etc.(.i.e (string args[]))

 1 5880

WHAT IS THE SCOPE FOR COREJAVA...? IS JAVA ONLY CORE JAVA ?

 2 8714

difference between jsp and java script?

 3 4645

When you declare a method as abstract method ?

HP,

2 6051

What is JVM ?

Phantom Technologies, TCS,

4 5520

Why do we need public static void main(String args[]) method in Java...?

 1 4329

What is the difference between constructor and method?

 4 5395

What is the difference between parameters and arguments ?

2 4244

What is the difference between Java Bean and Java Class.?

 2 4515

What is the purpose of a statement block?

 1 3582

Can an unreachable object become reachable again?

 3 4370

String Reverse in Java...!

 5 7456

what difference between throw and throws in exception handling.

 5 6602

How to excute - Interface - Inner class- method can any one tell how to execute/ call this main method public interface abc { static int i=0; void dd(); class a1 { a1() { int j; System.out.println("inside"); }; public static void main(String a1[]) { System.out.println("in interfia"); } } }

 1 3323

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Un-Answered Questions { Core Java }

How many threads can I run java?

562

What is string intern in java?

563

Can string be considered as a keyword?

584

What is mean by encoding?

635

Write a function for palindrome and factorial and explain?

669




What is a constructor, constructor overloading in java?

536

What are keywords in java?

590

Can you instantiate the math class in Java?

624

What are the 3 types of control structures?

536

What is the access scope of a protected method?

570

what is the major difference between linkedlist and arraylist in java?

562

Give me some null interfaces in java?

612

What is a Presistent Object?

651

What is the this keyword?

564

How do I compare two strings in word in java?

546

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