String flashback, English word overall flashback, English word Flashback
String Inversion
String string = "abc123"; // method 1 StringBuffer sBuffer1 = new StringBuffer (string); String string1 = sBuffer1.reverse (). toString (); System. out. println (string1); // method 2 char [] cs = string. toCharArray (); StringBuffer sBuffer2 = new StringBuffer (); for (int I = cs. length-1; I> = 0; I --) {sBuffer2.append (cs [I]);} String string2 = sBuffer2.toString (); System. out. println (string2 );
Returns the inverse of all English sentences and words.
String string = "I # love you & sunny"; String [] strings = string. split ("\ s | # | &"); List <String> words = Arrays. asList (strings); Collections. reverse (words); StringBuffer sBuffer = new StringBuffer (); for (String string2: words) {sBuffer. append (string2 + "");} String reWords = sBuffer. toString ();