Compile Java File: NestedSwitchExample

public class NestedSwitchExample {  
	public static void main(String arg[])
      {
	  //C - CSE, E - ECE, M - Mechanical
        char branch = 'C';               
        int collegeYear = 4;
        switch( collegeYear )
        {
            case 1:
                System.out.println("English, Maths, Science");
                break;
            case 2:
                switch( branch ) 
                {
                    case 'C':
                        System.out.println("Operating System, Java, Data Structure");
                        break;
                    case 'E':
                        System.out.println("Micro processors, Logic switching theory");
                        break;
                    case 'M':
                        System.out.println("Drawing, Manufacturing Machines");
                        break;
                }
                break;
            case 3:
                switch( branch ) 
                {
                    case 'C':
                        System.out.println("Computer Organization, MultiMedia");
                        break;
                    case 'E':
                        System.out.println("Fundamentals of Logic Design, Microelectronics");
                        break;
                    case 'M':
                        System.out.println("Internal Combustion Engines, Mechanical Vibration");
                        break;
                }
                break;
            case 4:
                switch( branch ) 
                {
                    case 'C':
                        System.out.println("Data Communication and Networks, MultiMedia");
                        break;
                    case 'E':
                        System.out.println("Embedded System, Image Processing");
                        break;
                    case 'M':
                        System.out.println("Production Technology, Thermal Engineering");
                        break;
                }
                break;
        }
    }
}

Output

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