📄 ex_generic9.java
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package ch7;
import java.util.*;
public class Ex_Generic9 {
public static void main(String[] args) {
Vector<Integer> v1 = new Vector<Integer>();
v1.add(100);
v1.add(200);
v1.add(300);
Vector<Float> v2 = new Vector<Float>();
v2.add(1.1f);
v2.add(2.2f);
v2.add(3.3f);
printMyVector(v1);
printMyVector(v2);
/*
Vector v4 = new Vector();
v4.add(new Integer(10));
v4.add(new Integer(20));
v4.add("Java");
printMyVector(v4);
*/
}
static void printMyVector(Vector<? extends Number> v) {
Iterator<? extends Number> it = v.iterator();
while(it.hasNext()) {
Number data = it.next();
System.out.print(data + ", ");
}
System.out.println();
}
}
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