ex_generic7.java

来自「JAVA_3」· Java 代码 · 共 13 行

package ch7;
import java.util.*;
public class Ex_Generic7 {
    public static void main(String[] args) {
        Vector<Integer> v = new Vector<Integer>();
        v.add(100);
        List v5 = v;
        v5.add("Java");
        Integer i = v.get(0);
        Integer k = v.get(1);
        System.out.println(k);
    }
}