java - Is there any functions in String which can to help delete all spaces in string? -

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is there functions in string can delete spaces in string? wouldn't use method this.

private string deletespace(string string) {     string newstring = "";     for(int = 0;i < string.length();i++)         if(string.charat(i) != ' ')             newstring += string.valueof(string.charat(i));     return newstring; }

thank help.

// occurrences literal arguments string = string.replace(" ","");

or 

// occurrences regular expression arguments string = string.replaceall("\\s+", "");

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