genericmethods9.java

来自「Thinking In Java 第四版练习题答案」· Java 代码 · 共 17 行

// generics/GenericMethods9.java
// TIJ4 Chapter Generics, Exercise 9, page 633
// Modify GenericMethods so that f() accepts three arguments, all 
// of which are of a different parameterized type.

public class GenericMethods9 {
	public <T, U, V> void f(T x, U y, V z) {
		System.out.println(x.getClass().getName() +
		" " + y.getClass().getName() +
		" " + z.getClass().getName());
	}
	public static void main(String[] args) {
		GenericMethods9 gm = new GenericMethods9();
		gm.f("", 1, 1.0);
		gm.f(1.0F, 'c', gm);
	}
}