What does?= Mean in Java?

it means: if(min >= 2) someval =2; else someval =1. Its called a ternary operator See this java example too.

What does exclamation mean in Java?

logical complement operator
The logical complement operator, also known as the NOT operator in Java, is represented by an exclamation mark ‘! This operator changes true values to false and false to true.

What is symbol called in Java?

6 Answers. The @ symbol denotes a Java Annotation. What a Java annotation does, is that it adds a special attribute to the variable, method, class, interface, or other language elements.

Why is += used in Java?

Java += operator += is compound addition assignment operator which adds value of right operand to variable and assign the result to variable. In the case of number, += is used for addition and concatenation is done in case of String.

What is not in Java?

The not operator is a logical operator, represented in Java by the ! It’s a unary operator that takes a boolean value as its operand. The not operator works by inverting (or negating) the value of its operand.

What is the OR operator in Java?

Java OR Operator Example: Logical || and Bitwise | The logical || operator doesn’t check the second condition if the first condition is true. It checks the second condition only if the first one is false. The bitwise | operator always checks both conditions whether first condition is true or false.

What is TRIM () in Java?

The trim() method in Java String is a built-in function that eliminates leading and trailing spaces. The Unicode value of space character is ”. The trim() method in java checks this Unicode value before and after the string, if it exists then removes the spaces and returns the omitted string.

What is regex in Java?

Regular Expressions or Regex (in short) is an API for defining String patterns that can be used for searching, manipulating, and editing a string in Java. Email validation and passwords are a few areas of strings where Regex is widely used to define the constraints.

What is the or symbol in Java?

The symbol @ in Java denotes an Annotation. Basically, it’s just adding a metadata to java source code (in classes, methods, variables, interface, etc.) To process it, we can use java reflection.

What is power operator in Java?

Java doesn’t provide the power operator. (For example, “^” in 3^4). You have to use java.lang.Math.pow(3,4). That method returns type “double”.

What is an assignment operator in Java?

Assignment in Java is the process of giving a value to a primitive-type variable or giving an object reference to an object-type variable. The equals sign acts as assignment operator in Java, followed by the value to assign.

What are the functions of Java?

Java is a general-purpose programming language; its main “function” is to create computer software. Java is general purpose because, in theory, you can use it to write a program that does anything within a computer’s inherent capacity. But you are limited to what is possible on a Turing Machine and nothing more.