ex_2_4_2.java

java思想编程与设计模块

/*
 * 文件名 ex_2_4_2.java
 * 说  明：演示类型强制转换
 */
class ex_2_4_2{
	public static void main(String args[]) {
		byte b;
		int i = 222;
		double d = 323.123;
		System.out.println("\n从int类型转换到byte类型.");
		b = (byte) i;
		System.out.println("i和b分别为:" + i + " " + b);
		System.out.println("\n从double类型转换到int类型.");
		i = (int) d;
		System.out.println("d和i分别为:" + d + " " + i);
		System.out.println("\n从double类型转换到byte类型.");
		b = (byte) d;
		System.out.println("d和b分别为:" + d + " " + b);
	}
}