import java.util.Scanner;
public class Sample
{
void display (int a)
{
System.out.println("My age is"+ " "+a);
}
void print1(String s)
{
System.out.println("My name is"+ " " +s);
}
void show(int a, String s)
{
System.out.println("this is "+ s + " " +"My age is" +" " +a);
}
public static void main(String args[])
{
int choice;
int age=21;
String name="Chitransh";
System.out.println("Enter your choice");
Scanner s1= new Scanner(System.in);
Sample sm = new Sample();
choice= s1.nextInt();
switch(choice)
{
//displaying age.
case 1: sm.display(age);
break;
// displaying name.
case 2: sm.print1(name);
break;
//displaying both
case 3: sm.show(21,"Chitransh");
break;
default: System.out.println("Invalid choice");
}
}
}
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