How do you check if an arraylist is not empty?
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What are methods and how are they defined?
When should we create our own custom exception classes?
what difference between throw and throws in exception handling.
Difference between default and protected access specifiers?
Why java is called not pure object oriented language?
What is string in java is it a data type?
How to add two numbers with out using Arithmetic , union operators in java....? But we can use bitwise operators... but how...?
How does arrays sort work in java?
How do you compare arrays in java?
What is the difference between ArrayList and Vector? which one is better in Java
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When we should use serialization?
What is the purpose of the return statement?