InnerClassDemo.java

package com.sjcet.oopdemo;
class CPU {
    double price;
    // nested class
    class Processor{
        // members of nested class
        double cores;
        String manufacturer;
       

        double getCache(){
            return 4.3;
        }
    }
    // nested protected class
    class RAM{
        // members of protected nested class
        double memory;
        String manufacturer;

        double getClockSpeed(){
            return 5.5;
        }
    }
}
public class InnerClassDemo {
	public static void main(String[] args) {

        // create object of Outer class CPU
        CPU cpu = new CPU();
        cpu.price = 15000;
        System.out.println("CPU Price = "+cpu.price);

       // create an object of inner class Processor using outer class
        CPU.Processor processor = cpu.new Processor();
        
        // create an object of inner class RAM using outer class CPU
        CPU.RAM ram = cpu.new RAM();
        System.out.println("Processor Cache = " + processor.getCache());
        System.out.println("Ram Clock speed = " + ram.getClockSpeed());
    }

}