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 is the default value of local and global variables?

1136

What is a variable simple definition?

1082

What is the difference between variable declaration and variable initialization?

1088

How do you identify independent and dependent variables?

1069

Why is it important to initialize a variable?

1041

Why do we use variables?

1043

What is main difference between variable and constant?

1078

What initialize variables?

1085

How a variable is stored in memory?

1047

What is the purpose of extern variable?

1057

What is variable explain?

1050

What is meant by the value of a variable?

983

What are register variables what are the advantages?

938

Why is sizeof not a function?

1062

What do you mean by global variable?

998

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Un-Answered Questions { Core Java }

What is use of set in java?

1072

Is it possible to override private or static method in java?

1038

Why do we need variables?

1034

What is lambda in java?

1159

What happens if a constructor is declared private?

1072

What is collection api?

1104

How can we find the sum of two linked lists using stack in java?

1242

What are namespaces in java?

1083

What is a map in java?

1052

What is contract between hashcode and equal method?

1096

What is an array in java?

1281

What are different data types?

1079

What is flag in java?

1045

Is class forname reflection?

1034

Are maps ordered java?

999

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