java.lang.ArrayIndexOutOfBoundsException is a runtime exception, so it’s a unchecked exception and don’t need to be thrown explicitly from method. Refer Exception Handling in java java.lang.ArrayIndexOutOfBoundsException是運行時異常,因此它是未經檢
一、先說一下大致的意思:jdk提供的類庫源代碼中有一些方法沒有實現,這些方法前有native關鍵字,如object類中的 :native Object clone() throwsCloneNotSupportedException;public final native Class getClass();使用native關鍵字說明這個方法是原
1、體系結構 2、工具類:
package collection;public class InnerTest {private int age;public final int getAge() {return age;
}public final void setAge(int age) {this.age = age;
}public InnerTest(int age) {super();this.age = age;
}
public int co