import java.awt.Graphics;
import java.applet.Applet;
public class SC {
char ChineseArray[] = {'祝','你','生', '日','快', '乐'};
static StringBuffer buffer;
static String s, s1, s2, s3;
public SC() {
s = new String( "您好!" );
buffer = new StringBuffer(s);
buffer.append( " Welcome to Java Home!" );
// 用字符串构造方法
s1 = new String(ChineseArray);
s2 = new String( ChineseArray, 2, 4 );
s3 = "Java 家论坛祝你" + s2;
}
public static void main( String arg[] ) {
SC app = new SC();
System.out.println( "s1 = " + s1 );
System.out.println( "s2 = " + s2 );
System.out.println( "s3 = " + s3 );
System.out.println( "s = " + s );
System.out.println( "buffer = " + buffer);
System.out.println();
for (int i=s1.length() - 1; i>=0; i--)
System.out.print( String.valueOf( s1.charAt(i)));
System.out.println();
for (int i=buffer.length() - 1; i>=0; i--)
System.out.print( String.valueOf( buffer.charAt(i)));
System.out.println();
System.out.println( "buffer 长度是 " + buffer.length());
}
}
---------------------
输出:
$ java SC
s1 = 祝你生日快乐
s2 = 生日快乐
s3 = Java 家论坛祝你生日快乐
s = 您好!
buffer = 您好! Welcome to Java Home!
乐快日生你祝
!emoH avaJ ot emocleW !好您
buffer 长度是 25
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