Frequent question: What do double slashes mean in Java?

What does two slashes mean in Java?

The double slash is a comment. Triple slash doesn’t mean anything special, but it might be a comment that was added right before a division.

What does double forward slash mean?

Particularly as a double slash in written work usually means “new line here“.

Why do we use double slash in Java?

A single slash indicates then the next character will be a regex match or a literal letter, number or whatever you want. The purpose to use double slashes \ , is to indicate then you want a single literal slash.

What does a double slash in a file path mean?

Actually it means nothing and is ignored. This often happens when output from multiple places is combined and it isn’t clear who’s job it is to add the slashes, so both parties do it and you end up with two of them. Semantically in the case of a directory path is has no meaning and will be ignored by most programs.

What is the meaning of two slashes?

It depends on the context. In some programming languages the double slash (“//”) means the start of a ‘single line comment’. In programming languages like C, C++, Java or Javascript you can write comments in your code and you have 2 ways of doing that: single line comments and multiple line comments.

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What does 3 forward slashes mean?

What does 3 slashes mean? The company What3words.com has labeled every 3m x 3m square of the earth’s surface in multiple languages. This symbol indicates a three-word identifier of one of those squares. These three words can be used to completely replace a street address.

What does double slash mean in twitter?

The double slash ‘//’ means: this “leads to” or, is “followed by”…. try out “?//.. x…”

What does double slash mean in C++?

Single-line comments are accomplished using a double slash (//). The double slash tells the compiler to ignore everything that follows, until the end of the line. … Many C++ programmers use the double-slash, single-line comments most of the time and reserve multiline comments for blocking out large blocks of a program.

How do you add a double slash in Java?

In Eclipse IDE (Java and C/C++), pressing CTRL+/ will comment out a line of code, or selected lines of code, by adding // (double slashes) to the very beginning of the line.

What does \ mean in Windows path?

They indicate that the path should be passed to the system with minimal modification, which means that you cannot use forward slashes to represent path separators, or a period to represent the current directory, or double dots to represent the parent directory.

What does double slash mean in bash?

Thats a replacement pattern using bash parameter expansion. In ${f// /_} : The double slashes // are for replacing all occurrences of space with _ , if you put one slash / , only first space is going to be replaced. The space is there because you are replacing space (with underscore)

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Is double slash valid in URL?

A double slash in the URL path is valid and will respond in the browser, but is typically unwelcome, as this could cause duplicate content issues if the CMS delivers the same content on two URLs (i.e. single slash and double slash).