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

Core Java Interview Questions

Questions Answers Views Company eMail

What are the major drawbacks of external iteration?

1110

What is the major advantage of external iteration over internal iteration?

1169

Write a method that will remove given character from the string?

1089

How do you check if two strings are equal in java?

1066

Write a function to find out longest palindrome in a given string?

1127

What are the major advantages of internal iteration over external iteration?

1125

How will you add panel to a frame?

1169

What are streams?

1173

What do you know about the garbage collector?

1172

what is meant wrapper classes?

1315

What is update method called?

1217

What are the advantages of java over C++?

1260

What is the exact difference in between Unicast and Multicast object? Where will it be used?

1113

What is constructor and virtual function? Can we call a virtual function in a constructor?

1201

What is the functionality of the stub?

1093

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Un-Answered Questions { Core Java }

What is constructor chaining and how is it achieved in java?

1260

Which number is denoted by leading 0x or 0x in java?

1107

What is object data type?

1054

What are the two environment variables that must be set in order to run any java programs?

1030

Which is easier .net or java?

1150

How do you reverse sort a list in java?

1011

What is use of arraylist in java?

1251

Can we convert stringbuilder to string in java?

1040

Will the jvm load the package twice at runtime?

1157

Which method returns the length of a string?

1105

How are observer and observable used in java programming?

1085

What an i/o filter in java programming?

1187

Can we increase array size dynamically in java?

1020

What is an argument java?

1030

what type of questions asked for barclays technologies pune please send urgent

5722

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