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When a lot of changes are required in data, which one should be a preference to be used? String or stringbuffer?
How can an exception be thrown manually by a programmer?
How we can execute any code even before main method?
Can we call a non-static method from inside a static method?
Why strings in java are called as immutable?
What is the difference between an inner class and a sub-class?
Is it compulsory for a try block to be followed by a catch block in java for exception handling?
How can we use primitive data types as objects?
Can variables be used in java without initialization?
What is an infinite loop?
What is an infinite loop? How infinite loop is declared?
Can we use a default constructor of a class even if an explicit constructor is defined?
What's the purpose of static methods and static variables?
What is the difference between comparison done by equals method and == operator?
When the constructor of a class is invoked?
