test64.java

来自「SCJP认证考试资料」· Java 代码 · 共 18 行

class Test64 {
    int x;
    Test64(int i) {
	x=i;
    }
    protected void finalize() {
	System.out.println(x);
    }
    public static void main(String[] args) {
	Test64 t1 = new Test64(10);
	t1.finalize();
	Test64 t2 = new Test64(20);
	t1 =null;
	t2 = null;
	System.gc();
    }
}