Java program to multiple a number by 2.
Java example Program for left shift a number
Program:-
import java.util.Scanner;
class group{
public static void main(String arg[]){
int num;
Scanner data = new Scanner(System.in);
System.out.println("Enter a number");
num = data.nextInt();
num=num<<2;
System.out.println("Answer:"+num);
}
}
Output:-
Enter a number
5
Answer:20
Output:-
Enter a number
25
Answer:100
Java example Program for left shift a number
Program:-
import java.util.Scanner;
class group{
public static void main(String arg[]){
int num;
Scanner data = new Scanner(System.in);
System.out.println("Enter a number");
num = data.nextInt();
num=num<<2;
System.out.println("Answer:"+num);
}
}
Output:-
Enter a number
5
Answer:20
Output:-
Enter a number
25
Answer:100
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