What is Hash code
Hash code: It is a value returned by a hash function. A hash code can be employed as an index into a random-access data structure, offering a proficient mapping between an object and its position. Employed by classes like HashMap.
Write about the Kernel?
Method result: The value returned from a method through a return statement. The kind of expression in the return statement should match the return type declared in method header.
Package declaration: It is a declaration employed to name a package. This should be the first item in the source file, preceding any import statements. For example, pa
What is an Unary operator: It is an operator which takes a single operand. Java's unary operators are as -, +, !, !, ++ and --.
Give some instances of XML DTDs or schemas which you have worked with?
Information hiding: The practice of making sure that only as much information is exposed regarding the implementation of a class as is strictly needed. Hiding needless knowledge of implementation makes it not as much of likely that other classes will
Constructor: A constructor is automatically called whenever an instance of its class is formed. A constructor always has similar name as its class, and encompass no return type. For example: public
Describe the term Context Switch.
Daemon thread: The daemon threads are non-user threads. They are usually employed to carry out low-priority tasks which must not take priority over the major task of the program. They can be employed to do helpful work whenever all other user threads
Explain the reasons that Java is pure object oriented programming language.
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