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 a function argument in java?

1014

What are measurable parameters?

1094

How do you implement singleton class?

1007

Is class forname reflection?

1009

Is a case study a method or methodology?

919

What are passing parameters?

1107

How do you pass by reference?

1078

Is logger a singleton?

962

Can we declare main () method as non static?

992

How do you write methodology?

1003

Can we define constructor in inner class?

1023

How do you define a parameter?

1057

How many types of design patterns are there?

1120

What is functional interface in java?

1062

What is consumer in java?

992

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Un-Answered Questions { Core Java }

What is use of super keyword?

984

What are structs in java?

1075

List the interfaces which extends collection interface?

966

What package is math in java?

1020

What is the importance of hashcode() and equals() methods?

1067

How do you make a thread in java?

1114

What are the types of relation?

1063

What is jar?

1135

Explain jvm, jre, and jdk?

1022

What is a dynamic array java?

966

What is variable in java?

997

How do you change an int to a string?

1035

What is the use of hashmap in java?

1100

What is a functional interface?

1058

What is string :: npos?

1108

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