JAVA (Stringbuffer/stringbuilder) Common API

1  Public classCopy3 {2 3      Public Static voidMain (string[] args) {4         //constructing an instance of5StringBuffer Strbu =NewStringBuffer ("Hello world\t");6         Char[] a = {' L ', ' o ', ' y ', ' o ', ' u '};7         //Calling Methods8         9System.out.println (1+ "\ T" +strbu.append (true));//Append (Boolean b);TenSystem.out.println ("\ T" +strbu.append (' a '));//Append (char b); OneSystem.out.println ("\ T" +strbu.append (a));//append (char[] b); ASystem.out.println (4+ "\ T" +strbu.capacity ());//capacity (); -System.out.println (5+ "\ T" +strbu.charat (10));//charAt (int index); -System.out.println (6+ "\ T" +strbu.delete (3, 9));//Delete (int start, int end); theSystem.out.println (7+ "\ T" +strbu.insert (5,false));//Insert (int offset, Boolean b); -System.out.println (8+ "\ T" +strbu.substring (7));//substring (int start) -System.out.println (+ "\ T" +strbu.reverse ());//reverse () -          +     } -  +}

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JAVA (Stringbuffer/stringbuilder) Common API