Conditional Statements

  import java.util.Scanner;
  class demo
  {
    public static void main(String args[])
    {
      Scanner stdin=new Scanner(System.in);
      System.out.print("Enter a Number:");
      int a=stdin.nextInt();
      if(a>0)
        System.out.println("Number is Positive..");
      else
        if(a⁢0)
          System.out.println("Number is Negative..");
        else
          System.out.println("Number is Zero..");
    }
  }      
  

  import java.util.Scanner;
  class demo
  {
    public static void main(String args[])
    {
      Scanner stdin=new Scanner(System.in);
      System.out.println("Enter 3 different Numbers:");
      int a=stdin.nextInt();
      int b=stdin.nextInt();
      int c=stdin.nextInt();
      if(a>b && a>c)
        System.out.println(a+" is Greatest");
      else
        if(b>c)
          System.out.println(b+" is Greatest");
        else
          System.out.println(c+" is Greatest");
    }
  }      
  

  import java.util.Scanner;
  class demo
  {
    public static void main(String args[])
    {
      Scanner stdin=new Scanner(System.in);
      System.out.print("Enter Color Code:");
      String str=stdin.next();
      char ch=str.charAt(0); 
      //charAt method is used to get char from pos
      if(ch=='r' || ch=='R')
        System.out.println("Red");
      else
        if(ch=='g' || ch=='G')
          System.out.println("Green");
        else
          if(ch=='b' || ch=='B')
            System.out.println("Blue");
          else
            System.out.println("White");
    }
  }