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 thread count in java?

1021

What is thread pool in java with example?

1022

Why do we create threads in java?

1274

Why do we use threads in java?

1133

Why does java have two ways to create child threads?

973

What is a singleton class in Java?

1080

What is tree node in java?

971

What are the types of java?

1121

Why do we need data structure in java?

1090

What is t type java?

1075

Is java 9 released?

1024

What is meant by collection in java?

1098

Is java owned by oracle?

1028

Is java still necessary?

1096

Is java written in c?

971

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Un-Answered Questions { Core Java }

What are the advantages of assembly language?

947

What are byte codes?

1243

What is use of static method?

1071

What is return used for in java?

1042

What is the syntax and characteristics of a lambda expression?

1061

What are the two ways in which thread can be created?

1066

Can we override the static methods?

1053

What are measurable parameters?

1094

How many types of constructors are used in java?

1208

What is the use of 'super' keyword inside a constructor?

989

what do you mean by marker interface in java?

1003

What is java virtual machine? Explain

1044

What is a java applet? What is an interface?

1112

what is thread? What are the high-level thread states? Or what are the states associated in the thread? : Java thread

1006

Is 0 an irrational number?

1079

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