varargslab.java

来自「一步 教你学会java 完成一个完整的SWT系统 是本人学习java」· Java 代码 · 共 37 行

import java.util.Date;
import java.text.MessageFormat;
import java.util.*;

public class VarArgsLab
{
	public VarArgsLab() { }
	public String formatThis() {

		Object[] args = {
			"Hurricane",
			new Integer( 99 ),
							new GregorianCalendar( 1999, 0, 1).getTime(),
														 new Double( 10E7 )     };


		return MessageFormat.format( "On {2}, a {0} destroyed {1} houses and caused {3} of damage", args );
	}

	public static void main( String[] args ) {
		VarArgsLab v = new VarArgsLab();
		System.out.println( "Old Style: " );
	   System.out.println( v.formatThis());
		System.out.println( "New Style: " );

		System.out.println( MessageFormat.format( "On {2}, a {0} destroyed {1} houses and caused {3} of damage",
			"Hurricane",
			new Integer( 99 ),
							new GregorianCalendar( 1999, 0, 1).getTime(),
														 new Double( 10E7 ) ) );



	}
}