coreclasstest.java

《透视Java》的源码

package covertjava.patching;

/**
 * <p>Test patching of java.lang.Integer using bootclasspath</p>
 * <p>Copyright: Copyright (c) 2004 Sams Publishing</p>
 * @author Alex Kalinovsky
 * @version 1.0
 */
public class CoreClassTest {

    public static void main(String[] args) {
        Integer i = new Integer(10);
        System.out.println("Old value = " + i);
        i.setValue(100);
        System.out.println("New value = " + i);
    }
}