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Top Core Java Interview Question and Answer Job Interview 15

298 views · Published 14 October 2012 · 0:54 · Indexed 4 October 2026

Channel: Interview DOT · 2012 · Science & Technology

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Welcome to www.InterviewDot.com     How to for java prepare for Interview Questions :   Top Java Interview Questions and Answers.

Name the eight primitive Java types.

The eight primitive types are byte, char, short, int, long, float, double, and boolean.

What restrictions are placed on the values of each case of a switch statement?

During compilation, the values of each case of a switch statement must evaluate to a value that can be promoted to an int value.

What is the difference between a while statement and a do while statement?

A while statement checks at the beginning of a loop to see whether the next loop iteration should occur. A do while statement checks at the end of a loop to see whether the next iteration of a loop should occur. The do while statement will always execute the body of a loop at least once.

What modifiers can be used with a local inner class?

A local inner class may be final or abstract.

When does the compiler supply a default constructor for a class?

The compiler supplies a default constructor for a class if no other constructors are provided.

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