
public class UsingVariables {

      /**
      * @param args
      */
      public static void main(String[] args) {
          
    	  	int firstValue = 113;
    	  	double secondValue = 2.71828;
    	  	String thirdValue = "Computer Science";
    	  	
    	  	System.out.println("This is room #"+firstValue);
    	  	System.out.println("e is close to "+secondValue);
    	  	System.out.println("I am learning a bit about "+thirdValue);
            }

}

Create UsingVariables.java