boolean equals( String strA, String strB ) { if ( strA.length() == 0 && strB.length() == 0 ) return true; else if ( strA.length() == 0 && strB.length() != 0 ) return false; else if ( strA.length() != 0 && strB.length() == 0 ) return false; else if ( strA.charAt(0) != strB.charAt(0) ) return false; else return equals( strA.substring(1), strB.substring(1) ); }
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