How are observer and observable used in java programming?
What are the four versions of java?
Write a program to print 15 random numbers using foreach of java 8?
Write a program to print fibonacci series up to count 10.
What is the difference between hashmap and hashtable in java?
What are the two parts of a conditional statement?
When should a function throw an exception?
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How we get some middle records in one table?
Explain the significance of listiterator.
what is main purpose of abstract class?
What does yield method of the thread class do?
What is a void method?
give me the answer of this code class A extnds String This code we can write r not in Java? Explain?