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IBM Core Java Interview Questions

Questions Answers Views Company eMail

Why java is not a pure object oriented language?

5 8634

why java is platform independent?

5 7949

How can u create the Object of class Without using "New" opertor?

3 8366

What is the code inside the public void actionPerformed(ActionEvent ae) override method in Applet [ Condition:- you have one TextField and One Button , you have to enter any color name inside the TextField, when you click on Button Your background will change according to your input color name]

2 10810

What is an anonymous class?

1 5345

import java.io.*; class Demo { public static void main(String args[]) { File f=new File("1234.msg"); String arr[]=f.list(); System.out.println(arr.length); } }

3 6515

Any one can explain how the inerface uses in java. give with example.

1 2853

How to print a statement without using semicolan in java

6 11822

any other way to print the text without using System.out.println() in java?

5 19355

How HashMap implemented in java? how it internally works when values are added or searched from hashMap?What is the difference betweenthe implementation of hashmap and Linked Hashmap?

3 10549

solve (x-1)(x-9)=8;

3 5468

Why should we use java?

1 2963

How does JAVA ClassLoader work?

1 4334

How does synchronized modifier work?

1 2920

What is difference between “==” and equals()?

1 2984

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IBM Core Java Interview Questions

IBM Core Java Interview Questions (78)

Un-Answered Questions

To see hidden files in LINIX?

1469

What are the performance testing tools?

967

How does tomcat servlet container work?

1034

Describe the complexity of Binary search, Quicksort and various other sorting and searching techniques..

1000

what is the function of ‘unsupervised learning’?

Tell us about our company and can you work independently?

1098

How to get a property value from clipboard using java step?

575

When we use windows api in .net is it managed or unmanaged code?

1042

what is mean by parallel operation of permanent magnet generators

1955

What are the different oracle database objects?

1040

What is staffing percentage?

1003

What are the different geographic chart types available under sap lumira? : hana bi development

How is cheque is different from boe?

1117

What is static typing in typescript?

182

Hash identifying each block in the blockchain is generated using which of the cryptographic algorithm?