Here, we have collected the most important operating system MCQ with answers often asking in various competitive examinations. These operating system multiple choice questions are always asked in different competitive exams like SSC, IBPS (PO and Clerk), RRB, Group D,…
An immutable class in Java is a class whose state of an object cannot be changed or modified after it is created. In other simple words, a class whose objects are immutable (i.e., unmodifiable) is called immutable class in Java.…
JavaScript also supports a set of bitwise operators similar to other programming languages like Java. Bitwise operators in JavaScript are those operators that works at bit level comprising ones and zeros (i.e., binary representation) rather than decimals or hexadecimals. Here,…
In this tutorial, we will discuss the fundamental difference between String, StringBuffer, and StringBuilder in Java with the help of examples. Java language provides three classes: String, StringBuffer, and StringBuilder to work with string that represents a sequence of characters.…
Conditional operator in JavaScript provides a one line approach for creating a simple conditional statement. It is often used as a shorthand method for if-else statement. It makes the code much more simple, shorter and readable. The conditional operator (?:)…
Logical operators in JavaScript are those operators which are used to form compound conditions by combining two or more simple conditions or relations. In other simple words, logical operators combine the comparison into one condition group. It is useful when…
Comparison operators in JavaScript are those operators that are used for comparing between two numeric values, strings, objects, or two quantities. The comparison operators determine the relationship between them by comparing operands (or values). Therefore, we also know the comparison…
An operator that is used to assign/update the value of a variable is called assignment operator in JavaScript. The most common assignment operator is equal operator “=”, which assigns the right-hand value to the left-hand variable. The general syntax is…
Operators in JavaScript are very similar to the operators that appear in the other programming languages, such as C++, or Java. The definition of an operator is simply a symbol that tells the interpreter (or compiler) to perform a certain…
