Operators

Operator Plus(+) Overloading in Java

Java doesn't allow operator overloading yet + is overloaded for class String. Here we will discuss examples for use of + with Strings and characters.

Expressions, Operands and Operators

An expression consists of operands and operators. A logical expression (e.g. a>b) is an expression that evaluate to a true or a false value. Operators with higher precedence are evaluated before operators with relatively lower precedence, when they come together.

Remainder Operator in Java Can Return Negative

According to mathematics, remainders are always positive. However, in java, when the remainder operation returns a nonzero result, it has the same sign as its left operand.  Though most mathematicians won’t agree, Java Language Specification still refers to % as a remainder operator only.

The instanceof Operator in Java

The instanceof operator compares an object to a given type and checks if the type of object in left side is assignment-compatible to the type in the right side. i.e., if we can say right-side-type = left-side-type object without any casting.

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