Explain the polymorphism principle?
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Is null a keyword in java?
Which method you will use to create a new file to store some log data. Each time a new log entry is necessary, write string to the file in java ?
Difference between serialization and deserialization in java?
Mention some features of java?
Default layout of Dialog object?
What are the six ways to use this keyword?
What is a void in java?
why we cannot declare static variable inside a static method
Can we execute a program without main?
How to handle a web browser resize operation?
java Technical questions asked by JPMC
What is the dot operator?