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

Core Java Interview Questions

Questions Answers Views Company eMail

To the class members how can we provide security?

Aspire,

1 5312

What is the Difference between Final Class && Abstract Class?

HCL,

1144

can used Protected Class outside Function.?

HCL,

1160

why Interface used?

HCL,

1037

What happens if an exception is throws from an object's destructor?

Amazon,

1100

What is reflexive association?

Infogain,

1 1882

What is the difference between public, private, protected, and friend access?

Amazon,

1112

For class CFoo { }; what default methods will the compiler generate for you>?

Amazon,

1119

What do you meant by active and passive objects?

Wipro,

1144

What is an accessor?

BirlaSoft,

1 1773

What is a Null object?

Wipro,

1 1733

What is a "pure virtual" member function?

Amazon,

1150

What is a modifier?

1 1604

What happens if an exception is throws from an object's constructor?

Amazon,

1181

What is static class

EDS,

1167

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Un-Answered Questions { Core Java }

Explain the difference between private, public, package and protected in java?

1100

How can you add and remove nodes in jtree?

1110

Define how objects are stored in java?

1124

How do you escape a string?

1046

What are the two types of streams offered by java 8?

991

What is the purpose of assert keyword used in jdk1.4.x?

1136

What is difference between classpath and path variables in java?

1262

How do you remove an object from an arraylist in java?

1041

What are annotations in java?

1139

How does linkedhashmap work in java?

1085

What is java virtual machine and how it is considered in context of java’s platform independent feature?

1225

What is role of void keyword in declaring functions?

1102

What is the difference between an argument and a parameter?

1046

Write an algorithm for quick sort?

1091

What is number data type?

1078

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