StringBuffer offsetByCodePoints() method in Java with Examples Last Updated : 04 Dec, 2018 Comments Improve Suggest changes Like Article Like Report The offsetByCodePoints() method of StringBuffer class returns the index within this String contained by StringBuffer that is offset from the index passed as parameter by codePointOffset code points. Unpaired surrogates lies between index and codePointOffset count as one code point each. Syntax: public int offsetByCodePoints(int index, int codePointOffset) Parameters: This method takes two parameters: index: the index to be offset codePointOffset: the offset in code points Return Value: This method returns the index within this sequence. Exception: This method throws IndexOutOfBoundsException if any one below is true: index < 0 or index > length of the sequence. codePointOffset > 0 and the subsequence starting with index has fewer than codePointOffset code points codePointOffset < and the subsequence before index has fewer than the absolute value of codePointOffset code points. Below programs demonstrate the offsetByCodePoints() method of StringBuffer Class: Example 1: Java // Java program to demonstrate // the offsetByCodePoints() Method. class GFG { public static void main(String[] args) { // create a StringBuffer object // with a String pass as parameter StringBuffer str = new StringBuffer("WelcomeGeeks"); // print string System.out.println("String = " + str.toString()); // returns the index within this sequence int returnvalue = str.offsetByCodePoints(1, 4); // prints the index System.out.println("Index = " + returnvalue); } } Output: String = WelcomeGeeks Index = 5 Example 2: Java // Java program to demonstrate // the offsetByCodePoints() Method. class GFG { public static void main(String[] args) { // create a StringBuffer object // with a String pass as parameter StringBuffer str = new StringBuffer("India Is great"); // print string System.out.println("String = " + str.toString()); // returns the index within this sequence int returnvalue = str.offsetByCodePoints(2, 9); // prints the index System.out.println("Index = " + returnvalue); } } Output: String = India Is great Index = 11 Example 3: To demonstrate IndexOutOfBoundException Java // Java program to demonstrate // Exception thrown by offsetByCodePoints() Method. class GFG { public static void main(String[] args) { // create a StringBuffer object // with a String pass as parameter StringBuffer str = new StringBuffer("India"); try { // returns the index within this sequence int returnvalue = str.offsetByCodePoints(2, 9); // prints the index System.out.println("Index = " + returnvalue); } catch (IndexOutOfBoundsException e) { System.out.println("Exception: " + e); } } } Output: Exception: java.lang.IndexOutOfBoundsException Reference: https://docs.oracle.com/javase/10/docs/api/java/lang/StringBuffer.html#offsetByCodePoints(int, int) Comment More infoAdvertise with us Next Article StringBuffer offsetByCodePoints() method in Java with Examples A AmanSingh2210 Follow Improve Article Tags : Java java-basics Java-lang package Java-Functions java-StringBuffer +1 More Practice Tags : Java Similar Reads StringBuilder offsetByCodePoints() method in Java with Examples The offsetByCodePoints() method of StringBuilder class returns the index within this String contained by StringBuilder that is offset from the index passed as parameter by codePointOffset code points. Unpaired surrogates lies between index and codePointOffset count as one code point each. Syntax: pu 2 min read StringBuffer setCharAt() method in Java with Examples The setCharAt() method of StringBuffer class sets the character at the position index to character which is the value passed as parameter to method. This method returns a new sequence which is identical to old sequence only difference is a new character ch is present at position index in new sequenc 2 min read StringBuffer reverse() Method in Java with Examples The Java.lang.StringBuffer.reverse() is an inbuilt method that is used to reverse the characters in the StringBuffer. The method causes this character sequence to be replaced by the reverse of the sequence. Syntax: public StringBuffer reverse() Parameters: NA Return Value: The method returns the Str 2 min read ShortBuffer reset() method in Java with Examples The reset() method of java.nio.ShortBuffer Class is used to reset this buffer's position to the previously-marked position. The mark's value remain unchanged during this process. Syntax: public final ShortBuffer reset() Parameter: This method do not accept any parameter. Return Value: This method re 2 min read StringBuffer delete() Method in Java with Examples The java.lang.StringBuffer.delete() is an inbuilt method in Java which is used to remove or delete the characters in a substring of this sequence. The substring starts at a specified index start_point and extends to the character at the index end_point. Syntax : public StringBuffer delete(int start_ 3 min read Like