rapid fire questions on core java in java

A (non-local) inner class may be declared as public, protected, private, static, final, or abstract. In Java, an inner class that is a member of an outer class can have various modifiers. The modifiers that can be applied to an inner class include: Access Modifiers: public: The inner class can be accessed from outside the outer class. protected: The inner class … Read more

The Vector class provides the capability to implement a growable array of objects. In Core Java, the Vector class is a part of the Java Collections Framework and is present in the java.util package. It is a legacy class that was part of the original version of Java and was later retrofitted to implement the List interface. … Read more

It uses those low order bytes of the result that can fit into the size of the type allowed by the operation. In Java, integer overflows and underflows are handled using a concept called “wrap-around” or “modulo arithmetic.” Java uses two’s complement representation for integers, and when an overflow or underflow occurs, the value wraps … Read more

The digits 0 through 9 may not be used as the first character of an identifier but they may be used after the first character of an identifier. In Java, identifiers are names given to variables, classes, methods, etc. According to the Java naming conventions, the first character of an identifier must be a letter … Read more