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Core Java Interview Questions
Questions Answers Views Company eMail

whats the life cycle of jsp

Satyam,

2 5024

what is mean by method signature?

Satyam,

8 10566

what is mean by String and StringBuffer? What is mean by Methooverriding and Overloading?

Satyam, STI,

3 7521

whats the life cycle of jsp

Satyam,

15 19717

wht is customised exception?

Logica CMG, Novell, Prudential,

1 5494

what is diff bet iterator and enumeration?

 4 8277

whats is the use of final,in which situation final can be used in the application?

DNS,

2 4523

Explain class A{} class B{} class C{} all the three classes are saved in a single file name, what the name should i provide to the file ,in what file name should i run the program? Ple Explain

DNS, Infosys, TCS,

9 10987

what is overloading in java?

Ascent, DNS, Infosys, SDA, VelTech,

13 30625

They had given one progam final HashMap hm=new HashMap(); public void show() { hm.put("name",value); } in this prg here the final hashtable value can be changed in put method,its the prg run?

DNS, Wipro,

3 12273

they asked class A{} class B{} class c{} all the three class saved as a single file,there is no main method in the file and anothe class M.java class m { psvm(String args[]) { // here the parent class can access } }

DNS, IPSR Solutions,

2 5416

how you will prevent inheritance is there any other way other than inheritance?

Wipro,

4 8105

how you will prevent method overriding?

HCL,

6 12745

byte a=5; byte b=5; byte c=a+b; System.out.println(c); whats the o/p?

NIIT, Wipro,

7 21372

whats is inheritance?

CTS, HCL,

15 15185

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Un-Answered Questions { Core Java }

Can a constructor call another constructor?

567

What is a for loop in java?

603

What is better- service oriented or batch oriented solutions?

1541

What is string subsequence method?

637

Can I overload to string method

973




What is the purpose of sizeof operator?

534

How do you create an array in java?

538

Can inner class final?

637

What is off heap memory?

552

Why java is call by value?

552

What is the purpose of tostring() method in java?

558

How do you sort in ascending order in java?

526

How can you add and remove nodes in jtree?

619

What is boolean used for?

594

What is module in oop?

571

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