typewrapper.java

来自「java课件及例程有一些PPT及一些例程」· Java 代码 · 共 15 行

public class TypeWrapper{
    public static void main(String args[]){
        Character c1 = new Character('a');
        Short s1 = new Short((short)234);
        Boolean b=new Boolean("TRue");
        System.out.println(s1);
        System.out.println(b);
	int a=Math.abs(124); //a=124
	double b2=Math.floor(-5.2); //b=-6
	double s=Math.sqrt(9); //b=3.0
	System.out.println(a+""+b2+""+s);


    }
}