What is an Unary operator
What is an Unary operator: It is an operator which takes a single operand. Java's unary operators are as -, +, !, !, ++ and --.
Byte code: Java source files are converted by a compiler into bytecodes that is, the instruction set of the Java Virtual Machine (JVM). The Bytecodes are stored in the .class files.
Q. What are the advantages of Object Oriented Programming languages? Explain them. Ans. : Object oriented programming language has following advantages- Q : Macro definition in C and C++ Macro in Macro in C: Macros are defined as single identifier
Macro in C: Macros are defined as single identifier
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Preempt: It is the presently executing thread might be preempted, or forced to give up control, by a higher priority thread which becomes eligible to run throughout its time slice.
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.
Overriding for chaining: It is a form of method overriding in which the sub-class version of a method verifies to see whether it can react to the message on its own and just calls the super-class version of the method.
Boundary error: The errors which arise from programming mistakes prepared at the edges of a problem- indexing off the edge of an array, commencing with no items of data, loop termination and so forth. Boundary errors are a very general type of logical
Formal argument: The definition of a method’s argument is the part of a method header. Each and every formal argument has an associated type. Whenever a method is called, the actual argument values are copied into the analogous formal arguments.
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