JAVA Format

The java string format() method returns the formatted string by given locale, format and arguments. If you don’t specify the locale in String. format() method, it uses default locale by calling Locale. … The format() method of java language is like sprintf() function in c language and printf() method of java language.

Java String format()

The java string format() method returns the formatted string by given locale, format and arguments.

If you don’t specify the locale in String.format() method, it uses default locale by calling Locale.getDefault() method.

The format() method of java language is like sprintf() function in c language and printf() method of java language.

Parameters

locale : specifies the locale to be applied on the format() method.

format : format of the string.

args : arguments for the format string. It may be zero or more.

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Returns

formatted string

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Throws

NullPointerException : if format is null.

IllegalFormatException : if format is illegal or incompatible.

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Java String format() method example

1. public class FormatExample{  

2. public static void main(String args[]){  

3. String name=”sonoo”;  

4. String sf1=String.format(“name is %s”,name);  

5. String sf2=String.format(“value is %f”,32.33434);  

6. String sf3=String.format(“value is %32.12f”,32.33434);//returns 12 char fractional part filling with 0  

7. System.out.println(sf1);  

8. System.out.println(sf2);  

9. System.out.println(sf3);  

}}

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