I take an advantage of java string api(s), and just a few lines


  • 0
    N
       public String reverseWords(String s) {
            String[] strs = s.split("\\s+");
    		String reverse="";			
    
    		if (s.length()==0) return "";
    		if (strs.length==0) return "";
    		
    		for (int i=strs.length-1;i>=1;i--)
    			reverse=reverse.concat(strs[i]+" ");
    				
    		return reverse.concat(strs[0]).trim();
        }

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