set ith bit
import java.util.*;
public class ser_i_th_bit {
public static int set(int n, int i) {
int bitmask = 1 << i;
return n | bitmask;
}
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
System.out.println("Enter n:");
int n = sc.nextInt();
System.out.println("Enter i:");
int i = sc.nextInt();
System.out.println(set(n, i));
}
}
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