java 克隆

最新推荐文章于 2025-01-07 21:48:03 发布

原创最新推荐文章于 2025-01-07 21:48:03 发布 · 88 阅读

0 ·

CC 4.0 BY-SA版权

文章标签：

#Java #F#

class A implements Cloneable {  
    String abc = add("t");  

    String def = add("f");  

    void m1() {  
        System.out.println(abc);  
    }  

    private String add(String string) {  
        String s = "";  
        for (int i = 0; i < 1000; i++) {  
            s += string;  
        }  
        return s;  
    }  

    void m2() {  
        System.out.println(def);  
    }  

    public Object clone() {  
        Object obj = null;  
        try {  
            obj = super.clone();  
        } catch (CloneNotSupportedException e) {  
            e.printStackTrace();  
        }  
        return obj;  
    }  

    private static A a = new A();  

    public static A getInstance() {  
        return (A) a.clone();  
    }  
}