class AA{ |
String name; |
public AA(String name){ |
this .name=name; //如果不写this那肯定出错编译都通不过. |
} |
} //源代码片段来自云代码http://yuncode.net |
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class AA { |
String name; |
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public AA(){ |
System.out.println( "1无参构造....." ); |
} |
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public AA(String name){ |
this (); |
this .name=name; |
System.out.println( "2有参构造....." +name); |
} |
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public static void main(String[] args) { |
AA a = new AA( "author" ); |
} |
} //源代码片段来自云代码http://yuncode.net |
class AA { |
String name; |
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public AA(){ |
System.out.println( "1无参构造....." ); |
System.out.println( this ); // 打印的是对象a的内存地址. |
} |
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public void play(){ |
System.out.println( "游戏人生........" ); |
} |
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public static void main(String[] args) { |
AA a = new AA(); |
} |
} //源代码片段来自云代码http://yuncode.net |
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