booleandemo.java

来自「Documents and Settings ew桌面新建文件夹castingn」· Java 代码 · 共 33 行

/**************************************************
* test the TYPE field of Boolean and test the methods of Class Object
*
****************************************************/



public class BooleanDemo {
//
  public static void main(String[] args) {
    Class c = Boolean.TYPE;
    System.out.println("TYPE: " + c);
    System.out.println("isPrimitive: " + c.isPrimitive());
    System.out.println("superclass: " + c.getSuperclass());
    try {
        Object obj = c.newInstance();  // ERROR
        System.out.println("boolean: " + obj);
    } catch (InstantiationException e) {
        e.printStackTrace();
    } catch (IllegalAccessException e) {
        e.printStackTrace();
    }
    
  
    
    
}
//
}