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In java output is:
System.out.println ( "here outputting content");
Println output program after a blank line, and print the output lines is not empty.
The output can be formatted on the symbol corresponding processing as follows:
%d | Formatted output integer |
%x | Formatted output hexadecimal integer |
%f | Formatted output float |
%e | Floating point numbers formatted output scientific notation |
%s | Format string |
Use e.g.
System.out.printf ( "%. 2F \ n-.", D); // show two decimal places
Entry
Input than output in java relatively complex:
In the following program as an example:
Import java.util.Scanner; public class the Main { public static void main (String [] args) { Scanner Scanner = new new Scanner (the System.in); // Create Object Scanner System.out.print ( "Input test"); // Print message string iNPUT = scanner.nextLine (); // read a line of the input string contents of System.out.print ( "the input Number"); // printing tips int Number = scanner.nextInt (); / / reads information input integer } }
Note: import java.util.Scanner introduced in the top of the code; import here to mean the introduction of information