📄 booleandemo.java
字号:
/**************************************************
* 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();
}
}
//
}
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -