How to dynamically pass arguments for a java function using variable length parameter

Question

Some function in java using variable length parameter. like

String java.lang.String.format(String format, Object... args)

How can dynamically pass parameter to this function?

For example

String fillInString(String str, ArrayList<String> token){
    return String.format(str, token[0], token[1]....);   
}

David Xu · Accepted Answer · 2014-09-10 23:10:59Z

3

String fillInString(String str, ArrayList<String> token){
    return String.format(str, token.toArray(new String[token.size()]));   
}

answered Sep 10, 2014 at 23:10

David Xu

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Comments

Dave · Accepted Answer · 2014-09-10 23:11:51Z

3

send the token value to the function as an array.

String fillInString(String str, String ... token){
    return String.format(str, token);
}

var args like this can accept seperate arguments or an array.

answered Sep 10, 2014 at 23:11

Dave

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