what is the difference between return and print?
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Answer 51900c3fa31802c99c0043c6 print just shows the human user a string representing what is going on inside the computer. The computer cannot make use of that printing. return is how a function gives back a value. This value is often unseen by the human user, but it can be used by the computer in further functions.
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Serial. print() prints only the number or string, and Serial. println() prints it with a newline character. On a standard Arduino, this function waits while the data is transmitted.
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is that script is to make or write a script while print is to produce one or more copies of a text or image on a surface, especially by machine; often used with out'' or ''off : print out, print off.
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They are both used to output data to the screen. The differences are small: echo has no return value while print has a return value of 1 so it can be used in expressions. echo can take multiple parameters (although such usage is rare) while print can take one argument. echo is marginally faster than print .
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System: It is a final class defined in the java. ... println(): As all instances of PrintStream class have a public method println(), hence we can invoke the same on out as well. This is an upgraded version of print(). It prints any argument passed to it and adds a new line to the output.
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Print is a more general concept, whereas print out refers to the process of "giving life" to computer-stored documents.
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As nouns the difference between return and profit is that return is the act of returning while profit is total income or cash flow minus expenditures the money or other benefit a non-governmental organization or individual receives in exchange for products and services sold at an advertised price.
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1) Return type and value of printf function printf is a library function of stdio. h, it is used to display messages as well as values on the standard output device (monitor). printf returns an integer value, which is the total number of printed characters.
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Printf working principle printf or print function in C takes a formatting string and couple of optional variables as input and outputs strings to console while converting input variables to strings. ... It converts it to string and appends to output buffer. If the argument is string then it does a string copy.
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They're different characters. \r is carriage return, and \n is line feed. On "old" printers, \r sent the print head back to the start of the line, and \n advanced the paper by one line. Both were therefore necessary to start printing on the next line.
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The operator ?: works as follows expr1 is evaluated first if it is true expr2 is evaluated otherwise expr3 is evaluated. hence in expressions the return statement can not be used in C-language. The return statement is used for returning from a function , you can't use inside ternary operator.
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return returns a value in a function, while println prints text out to the command line. A function in java sometimes returns a value. In that function there must be a line of code specifying the value to return. You can then call this function from another location in the code to get that value.
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Technically there's no difference. They're both just shipping labels. The post office doesn't care where the printer that printed them is located and that's really the only difference. ... “Return shipping label” would be to print a label for the buyer to send something back to you.
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What is the difference between Photocopying and Printing ? Photocopying is a process where you convert a scan image into a printed version. ... Printing is a process where your fire a command to convert electronic file into physical document. Prints are kind of considered to be Originals and not the photo copies.
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printf() and fprintf() both are used for formatted output(write). The only difference is that printf() write directly into standard console (monitor) where as fprintf() take file stream as a parameter where to write.
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A void method is one that simply performs a task and then terminates. A value - returning method not only performs a task but also sends a value back to the code that called it. What is the difference between a void method and a value - returning method?
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println() method prints the string and moves to new line. System. out. print() method prints the string if any and doesn't put new line.