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This class returns object of class String which reverses order of characters in input object source which is also an instance of class String
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class ReverseString {
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public static String reverseIt(String source) {
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int i, len= source.length();
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StringBuffer dest = new StringBuffer(len);
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for( i= (len-1); i >=0 ; i--) {
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dest.append(source.charAt(i));
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}
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return dest.toString();
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}
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}
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length, CharAt and toString are methods of class String which is used for fixed character strings
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StringBuffer is constructor of class StringBuffer which is used for mutable character strings and has methods append and toString
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