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Core Java Interview Questions
Questions Answers Views Company eMail

How do I get a substring?

970

What is basic syntax?

1035

Is integer a class?

1075

Why is string builder not thread safe?

1057

What is the instance of an object?

1186

Is string a wrapper class?

1013

What is the generic function?

982

Is string an object?

1112

How do you replace all in word?

1060

How do you know if a value is nan?

1057

Does printwriter create a file?

955

How do you use wildcards?

1047

What is difference between string and stringbuffer?

1092

What are the special characters?

968

What does it mean that strings are immutable?

1126


Post New Core Java Questions

Un-Answered Questions { Core Java }

How do you end a program?

1112


What is arrays fill in java?

1003


Explain about collection interface in java?

988


What is computer compiler?

995


How long will it take to learn java?

989


How do constructors use this() and super()?

1114


How do you make a thread in java?

1088


What is meant by local variable and instance variable?

1016


These static constructors are correct ? class A { statc intA() { } static A(int x,int y) { } static A(int x) { } }

1084


How would you format a date in java? I.e. In the ddmmyyy format?

1373


Where import statement is used in a java program?

1121


What does i ++ mean in Java?

949


Why declare Main() inside the class in java ?

1049


What is a top level class in java?

1020


Given a singly linked list, find the middle of the list in a single traversal without using temporary variable.

1052