sample32_4.java

Java SE 6.0前32-34章示的示例代码,简单易学

package wyf.jc;
import java.util.*;
import java.io.*;
public class Sample32_4
{
	public static void main(String args[]) 
	{
		//创建Date对象
		Date date = new Date();
		//输出完整时间
		System.out.printf("当前时间为：%tc。\n", date);
		//按格式打印字符串
		System.out.printf("%s://%s/%s\n", "http", "host", "path"); 
		//打印boolean值
		System.out.printf("boolean value is %1$b, %1$B\n", true );
		//创建用来输出的字符串数组		
		String[] words ={"a","aaa","aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"};
		//使用格式化输出打印表头信息
		System.out.printf( "%-10s %s\n","Word","Length" );
		for(String word:words)
		{//循环打印字符串数组中的字符串
			System.out.printf("%-10.10s %s\n",word,word.length());
		}
	}
}