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>=10 && a<=99)
      {
        System.out.println("It is a 2 digit Number");
        int x=a%10;
        int y=a/10;
        if(x==y)
          System.out.println("Both digits are same");
        else
          System.out.println("Both digits are Not same");
      }
      else
        System.out.println("It is not a 2 digit Number");
    }
  }        
  

  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");
        if(a%2==0)
          System.out.println("Even Number");
        else
          System.out.println("Odd Number");
      }
      else
        System.out.println("Number is Not Positive");
    }
  }        
  

  import java.util.Scanner;
  class demo
  {
    public static void main(String args[])
    {
      Scanner stdin=new Scanner(System.in);
      System.out.print("Enter 3 Angles:");
      int a=stdin.nextInt();
      int b=stdin.nextInt();
      int c=stdin.nextInt();
      if(a+b+c==180)
      {
        System.out.println("Triangle can be formed");
        if(a==b && b==c)
          System.out.println("Eq.Triangle");
        if(a==b || b==c || c==a)
          System.out.println("Iso.Triangle");
        if(a==90 || b==90 || c==90)
          System.out.println("Rt.Ag.Triangle");
      }
      else
        System.out.println("Triangle cannot be formed");
    }
  }