AtomicLongArray lazySet() method in Java with Examples Last Updated : 12 Feb, 2019 Comments Improve Suggest changes Like Article Like Report The Java.util.concurrent.atomic.AtomicLongArray.lazySet() is an inbuilt method in Java that eventually sets a given value at any given index of an AtomicLongArray. The method takes the index value of the AtomicLongArray and the value to set as the parameters and updates the previous value without returning anything. Syntax: public final void lazySet(int i, long newValue) Parameters: The function takes two parameters: i which is the index value where the update is to made. newValue which is the new value to update at the index. Return Value: The function does not return any value. Below programs illustrate the above method: Program 1: Java // Java program that demonstrates // the lazySet() function import java.util.concurrent.atomic.AtomicLongArray; public class GFG { public static void main(String args[]) { // Initializing an array long a[] = { 1, 2, 3, 4, 5 }; // Initializing an AtomicLongArray // with array a AtomicLongArray arr = new AtomicLongArray(a); // Displaying the AtomicLongArray System.out.println("The array : " + arr); // Index where operation is performed int idx = 0; // The new value to update at idx long val = 10; // Updating the value at // idx applying lazySet arr.lazySet(idx, val); // Displaying the AtomicLongArray System.out.println("The array after" + " update : " + arr); } } Output: The array : [1, 2, 3, 4, 5] The array after update : [10, 2, 3, 4, 5] Program 2: Java // Java program that demonstrates // the lazySet() function import java.util.concurrent.atomic.AtomicLongArray; public class GFG { public static void main(String args[]) { // Initializing an array long a[] = { 1, 2, 3, 4, 5 }; // Initializing an AtomicLongArray // with array a AtomicLongArray arr = new AtomicLongArray(a); // Displaying the AtomicLongArray System.out.println("The array : " + arr); // Index where operation is performed int idx = 3; // The new value to update at idx long val = 100; // Updating the value at // idx applying lazySet arr.lazySet(idx, val); // Displaying the AtomicLongArray System.out.println("The array after " + "update : " + arr); } } Output: The array : [1, 2, 3, 4, 5] The array after update : [1, 2, 3, 100, 5] Reference: https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicLongArray.html#lazySet-int-long- Comment More infoAdvertise with us Next Article AtomicLongArray lazySet() method in Java with Examples rupesh_rao Follow Improve Article Tags : Java Java - util package Java-Functions Java-AtomicLongArray Practice Tags : Java Similar Reads AtomicLong lazySet() method in Java with examples The Java.util.concurrent.atomic.AtomicLong.lazySet() is an inbuilt method in java that updates the previous value and sets it to a new value which is passed in the parameter. 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