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每天一点儿JAVA(继承操作)

栏目:互联网时间:2014-10-08 14:39:24
package prac_1; /** * <p>Title: 树参数</p> * <p>Description: 使用继承类,柳树就是树</p> * <p>Copyright: Copyright (c) 2014</p> * <p>Filename: </p> * @author 王海涛 * @version 0.1 */ class tree { /** *<br>方法说明:树的树根 *<br>输入参数: *<br>返回类型: */ public void root() { String sSite = "地下"; String sFunction = "吸收养料"; print("在哪儿:"+sSite); print("干啥:"+sFunction); } /** *<br>方法说明:树的树干 *<br>输入参数: *<br>返回类型: */ public void bolo() { String sSite = "地上"; String sFunction = "传递养料"; print("在哪儿:"+sSite); print("干啥:"+sFunction); } /** *<br>方法说明:树的树枝 *<br>输入参数: *<br>返回类型: */ public void branch() { String sSite = "树干上"; String sFunction = "运输养料"; print("在哪儿:"+sSite); print("干啥:"+sFunction); } /** *<br>方法说明:树的叶子 *<br>输入参数: *<br>返回类型: */ public void leaf() { String sSite = "树梢"; String sFunction = "光合作用"; String sColor = "绿色"; print("在哪儿:"+sSite); print("干啥:"+sFunction); print("啥颜色:"+sColor); } /** *<br>方法说明:显示信息 *<br>输入参数:Object oPara 显示的信息 *<br>返回类型: */ public void print(Object oPara) { System.out.println(oPara); } /** *<br>方法说明:主方法 *<br>输入参数: *<br>返回类型: */ public static void main(String[] arges) { tree t = new tree(); t.print("描述一颗正常的树:"); t.print("树根:"); t.root(); t.print("树干:"); t.bolo(); t.print("树枝:"); t.branch(); t.print("树叶:"); t.leaf(); } }

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package prac_1; /** * <p>Title: 柳树参数</p> * <p>Description: 描述柳树的参数</p> * <p>Copyright: Copyright (c) 2014</p> * <p>Filename: </p> * @author 王海涛 * @version 0.1 */ class tree1 extends tree { /** *<br>方法说明:过载树的树叶 *<br>输入参数: *<br>返回类型: */ public void leaf() { super.leaf(); String sShape = "柳叶状"; super.print("形状:"+sShape); } /** *<br>方法说明:扩展树的花 *<br>输入参数: *<br>返回类型: */ public void flower() { print("柳树不开花哇"); } /** *<br>方法说明:主方法 *<br>输入参数: *<br>返回类型: */ public static void main(String[] args) { tree1 o = new tree1(); o.print("柳树树根:"); o.root(); o.print("柳树树干:"); o.bolo(); o.print("柳树树枝:"); o.branch(); o.print("柳树树叶:"); o.leaf(); o.print("柳树花:"); o.flower(); } }


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