passobject.java

所学课程的编码。java的基础例子。可以练习java通过这些例子。。

/* David Java File
 * Created on 2006-9-26
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
package chap04;

/**
 * @author David
 * 
 * TODO To change the template for this generated type comment go to Window -
 * Preferences - Java - Code Style - Code Templates
 */
class Letter {
    char c;
}

public class PassObject {
    static void f(Letter y) {
        y.c = 'z';
    }

    public static void main(String[] args) {
        Letter x = new Letter();
        x.c = 'a';
        System.out.println("x.c = " + x.c);
        f(x);
        System.out.println("x.c = " + x.c);
    }
}