• Computer & Product

// Computer
package ch02_generic;

public class Computer {
	
	private String name;
	
	public Computer(String name) {
		this.name = name;
	}
	
	public String getString() {
		return name;
	}
	
	public String toString() {
		return "종류 : " + name;
	}
}

--------------------------------------------------------------------------------

// Product
package ch02_generic;

public class Product<K, M> {
	
	private K kind;
	private M model;
	
	public Product() {}
	
	public Product(K kind, M model) {
		this.kind = kind;
		this.model = model;
	}
	
	public K getkind() {return kind;}
	public void setkind(K kind) {this.kind = kind; }
	
	public M getmodel() {return model;}
	public void setmodel(M model) {this.model = model;}
	
	public String toString() {
		return kind + " - " + model;
	}
}

• ProductTest

package ch02_generic;

public class ProductTest {
	
	public static void main(String[] args) {
		
		Product<String, String> proA = new Product<>();
		proA.setkind("음료");
		proA.setmodel("코카콜라");
		System.out.println(proA);
		
		System.out.println();
		
		Product<Computer, String> proB = new Product<>(new Computer("노트북"), "LG gram");
		System.out.println(proB);
		
		
	}
}