FloatBuffer reset() methods in Java with Examples Last Updated : 10 Sep, 2019 Summarize Comments Improve Suggest changes Share Like Article Like Report The reset() method of java.nio.FloatBuffer Class is used to reset the position of this buffer to a position which was previously-marked. In this, the marked value is neither changed nor discarded. It helps to recover the previously marked value in the buffer. Syntax: public final FloatBuffer reset() Parameters: The method does not take any parameters. Return Value: This method returns this buffer. Below are the examples to illustrate the reset() method: Examples 1: Java // Java program to demonstrate // reset() method import java.nio.*; import java.util.*; public class GFG { public static void main(String[] args) { try { float[] farr = { 10.5f, 20.5f, 30.5f, 40.5f }; // creating object of FloatBuffer // and allocating size capacity FloatBuffer fb = FloatBuffer.wrap(farr); // try to set the position at index 2 fb.position(2); // Set this buffer mark position // using mark() method fb.mark(); // try to set the position at index 4 fb.position(4); // display position System.out.println("position before reset: " + fb.position()); // try to call reset() to restore // to the position we marked fb.reset(); // display position System.out.println("position after reset: " + fb.position()); } catch (InvalidMarkException e) { System.out.println("new position is less than " + "the position we" + " marked before "); System.out.println("Exception throws: " + e); } } } Output: position before reset: 4 position after reset: 2 Examples 2: Java // Java program to demonstrate // reset() method import java.nio.*; import java.util.*; public class GFG { public static void main(String[] args) { try { float[] farr = { 10.5f, 20.5f, 30.5f, 40.5f }; // creating object of FloatBuffer // and allocating size capacity FloatBuffer fb = FloatBuffer.wrap(farr); // try to set the position at index 2 fb.position(2); // Set this buffer mark position // using mark() method fb.mark(); // try to set the position at index 4 fb.position(1); // display position System.out.println("position before reset: " + fb.position()); // try to call reset() to restore // to the position we marked fb.reset(); // display position System.out.println("position after reset: " + fb.position()); } catch (InvalidMarkException e) { System.out.println("\nnew position is less than " + "the position we" + " marked before "); System.out.println("Exception throws: " + e); } } } Output: position before reset: 1 new position is less than the position we marked before Exception throws: java.nio.InvalidMarkException Reference: https://docs.oracle.com/javase/9/docs/api/java/nio/FloatBuffer.html#reset-- Comment More infoAdvertise with us Next Article FloatBuffer flip() methods in Java with Examples R rohitprasad3 Follow Improve Article Tags : Java Java-Functions Java-FloatBuffer Java-NIO package Practice Tags : Java Similar Reads FloatBuffer put() methods in Java with Examples put(float f) The put(float f) method of java.nio.FloatBuffer Class is used to write the given float into the newly created float buffer at the current position, and then increments the position. 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