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Q:

What is the access scope of a protected method?

Answer A protected method can be accessed by the classes within the same package or by the subclasses of the class in any package.
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Subject: Java

Q:

Does the order of public and static declaration matter in main() method?

Answer No. It doesn't matter but void should always come before main().
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Subject: Java

Q:

What is the argument of main() method?

Answer main() method accepts an array of String object as arguement.
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Subject: Java

Q:

What is the return type of the main() method?

Answer Main() method doesn't return anything hence declared void.
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Subject: Java

Q:

What is the most important feature of Java?

Answer Java is a platform independent language.
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Subject: Java

Q:

What’s the special meaning of __sleep and __wakeup?

Answer __sleep returns the array of all the variables than need to be saved, while __wakeup retrieves them.
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Subject: PHP

Q:

If the variable $a is equal to 5 and variable $b is equal to character a, what’s the value of $$b?

Answer 100, it’s a reference to existing variable.
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Subject: PHP

Q:

Will comparison of string "10" and integer 11 work in PHP?

Answer Yes, internally PHP will cast everything to the integer type, so numbers 10 and 11 will be compared.
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Subject: PHP