ClassDemo06.java
package classdemo; // 宣告套件 public class ClassDemo06 { private int a; public ClassDemo06(int a) { setA(a); } public void setA(int a) { this.a = a; } public int getA() { return a; } public int doSomething(int a) { return this.a + a; } public static void main(String[] args) { ClassDemo06 d = new ClassDemo06(13); System.out.println(); System.out.println(d.getA()); System.out.println(d.doSomething(9)); System.out.println(); } } /* 檔名: ClassDemo06.java 作者: Kaiching Chang 時間: September, 2014 */
ClassDemo07.java
// 引入套件中的類別名稱 import classdemo.ClassDemo06; public class ClassDemo07 { public static void main(String[] args) { // 建立套件裡的類別建立物件 ClassDemo06 d = new ClassDemo06(11); System.out.println(); System.out.println(d.getA()); System.out.println(d.doSomething(8)); System.out.println(); } } /* 檔名: ClassDemo07.java 作者: Kaiching Chang 時間: September, 2014 */
the end
1 則留言:
請問出現 bad class file:D:\workspace\ClassDemo06.class
class file contains wrong class:classdemo.ClassDemo06
Please remove or make sure it appears in the correct subdirectory of classpath.
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