Can arraylist hold different types java?
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What is meant by singleton class?
What is variable explain?
What is unicode?
What is the difference between overriding and overloading in OOPS.
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Explain the features of interfaces in java?
Explain about varargs in java?
What do you understand by copy constructor in java?
FOR EXAMPLE WE R HAVING TWO LIST ELEMENTS ..BOTH LISTS CONTAINS ID,NAME,PLACE ..I NEED TO COMPARE BOTH IDS IN TWO LISTS,IF ID'S R SAME MEANS WE HAVE ADD THE DETAILS(LIKE NAME,PLACE) TO MAP...HOW IS POSSIBLE ?CAN ANY ONE SUGGEST?
State the merge-sort principle and its time complexity.
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How we can make copy of a java object?
What is a java applet? What is an interface?
what is the use/perpose of having a method antive?