/**
 * Implemented a simple arithmetic calculator in Java
 * using Swing toolkit for UI
 */
 
 package func;

public class MainCalc {
	
	public static void main(String[] args) {
		
		CalculatorUI operate = new CalculatorUI();
		operate.outputCalc();
		
	}
}

@@ -91,17 +91,16 @@
 /%0A %0A
- 
 package 
 func
@@ -99,12 +99,19 @@
 age 
-func
+desktop_app
 ;%0A%0Ap

Update MainCalc.java