What is the Java equivalent to printing values in C#?

Question

In C#, I can say:

 int myInt = 10;
 int myInt2 = 20;
 Console.WriteLine("My Integer equals {0}, and the other one equals {1}", myInt, myInt2);

And I know how to print things in Java like this:

 int myInt = 10;
 System.out.println("My Integer equals " + myInt);

So how do I combine the two so that in Java, I can print multiple values just like I would in C#?

http://stackoverflow.com/questions/3695230/how-to-use-java-string-format — kosa, Nov 18 '13 at 19:27
http://docs.oracle.com/javase/tutorial/java/data/numberformat.html — Nishant, Nov 18 '13 at 19:28

score 16 · Answer 1 · answered Nov 18 '13 at 19:28

16

You can call String.format explicitly:

System.out.println(String.format(
    "My Integer equals %d, and the other one equals %d", myInt, myInt2));

answered Nov 18 '13 at 19:28

Servy

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You beat me to it! +1 – Rahul Tripathi Nov 18 '13 at 19:28
1

Just curious - why wouldn't you just use 'printf' (Ryan's answer) ? – Dave Doknjas Nov 18 '13 at 19:50
@DaveDoknjas Because this came to mind first. Or possibly if you needed to do other thinks with the same string, or didn't want to look up if whatever you're working with has its own format function, and if it uses the same format specifiers as `String.format`. – Servy Nov 18 '13 at 19:56
@Servy: Thanks - just wanted to make sure I wasn't missing some subtle difference. – Dave Doknjas Nov 18 '13 at 20:58

score 9 · Answer 2 · edited Nov 18 '13 at 19:34

9

Dont forget the printf statements..

int myInt = 0;
int myInt2 = 20;

System.out.printf("My Integers equal %d, and the other one equals %d\n",
                               myInt, myInt2);

edited Nov 18 '13 at 19:34

DT7

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answered Nov 18 '13 at 19:29

Thanks, that was just a simple example of the printf. I'm still trying to get used to Stack Overflows convention when answering questions :) – Nov 18 '13 at 19:31

score 2 · Answer 3 · edited Nov 18 '13 at 19:39

2

You can use + to display multiple variables

int myInt = 10;
int myInt2 = 20;
System.out.println("My Integer equals " + myInt 
                    + "and second integer is " + myInt2);

edited Nov 18 '13 at 19:39

DT7

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answered Nov 18 '13 at 19:27

Ankit Rustagi

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@ therealtbs : There's nothing wrong with showing an alternative solution. – PM 77-1 Nov 18 '13 at 19:29

score 2 · Answer 4 · answered Nov 18 '13 at 19:31

You may try MessageFormat class. Your code which is almost the same as your C# code should look something like this:

int myInt = 10;
int myInt2 = 20;
System.out.println(MessageFormat.format("My Integer equals {0}, and the other one equals {1}", myInt, myInt2));

score 1 · Answer 5 · answered Nov 18 '13 at 19:31

Read up on formatting of strings in java: http://docs.oracle.com/javase/tutorial/essential/io/formatting.html

Essentially, instead of using the index-based formatting approach in C#, you add format specifiers which are processed in the order they exist in the string. For example:

System.out.format("My integer equals %d, and the other one equals %d", myInt, myInt2);

Java uses different specifiers for different value types. %d (used above) indicates integer values. %s would be a string, %f would be a floating-point value, etc. More details can be found in the link above.

score 0 · Answer 6 · answered Nov 18 '13 at 19:38

0

int myInt = 10;
int myInt2 = 20;

System.out.println("My Integer equals " + myInt + ", and the other one equals " + myInt2);

answered Nov 18 '13 at 19:38

user2972135

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score 0 · Answer 7 · answered May 08 '14 at 21:00

You can use String formatter, so by working on your example, I will do this:

int myInt = 10;
System.out.format("My Integer equals %d %n", myInt);

And if we converted the C# code to java, it will look like:

int myInt = 10;
int myInt2 = 20;
System.out.format("My Integer equals %d, and the other one equals %d %n", myInt, myInt2);

even more advancing, you can format the float with %.2f and format the int with %03d and much more.

What is the Java equivalent to printing values in C#?

7 Answers7