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

Core Java Interview Questions

Questions Answers Views Company eMail

How many types of methods are there in java?

1020

Why pass by reference is not possible in java?

1058

What is passing value java?

1075

What is string args [] in java?

1043

What does three dots mean in java?

1136

Is integer passed by reference in java?

1028

What is argument in java?

1033

Can we have 2 main methods in java class?

1038

What are java methods?

1128

What is return keyword in java?

1067

What is a function in java?

1045

What is passing parameters in java?

1060

What is the default execution method in java?

1212

What is the function of java?

1029

What is passing by reference in java?

1040

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Un-Answered Questions { Core Java }

What are scriptlets?

1103

What is basic syntax?

1060

Can you access non static variable in static context?

1061

Does java support multiple inheritances?

1032

What is Java Annotations?

1118

What is skeleton and stub?

1102

What does the “static” keyword mean? Can you override private or static method in java?

1108

Can a class be declared as static?

1186

Explain polymorphism citing an example.

1058

How do you control extraneous variables?

930

What causes memory leaks in java?

952

When do we use hashset over treeset?

1074

How do you check whether the list is empty or not in java?

988

How we create object in copy constructor?

1140

What is linked hashset and its features?

1075

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