【单选题】请阅读下面程序 public class ExampleStringBuffer{ public static void main(String []args){ StringBuffer sb=new StringBuffer('test') System.out.println('buffer='+sB) System.out.println('length='+sb.length())} ...
【单选题】请阅读下面程序 public class ExampleStringBuffer{ public static void main(String[]args){ StringBuffer sb=new StringBuffer('test'); System.OUt.println('buffer='+sb); System.OUt.println('length='+sb.length );}}...
【单选题】( 20 )请阅读下面程序 public class ExampleStringBuffer{ public static void main ( String[] args ){ StringBuffer sb=new StringBuffer ( 'test' ) System.out.println ( 'buffer= '+sb ) System.out.println ( 'length...
【单选题】阅读下面程序 public class Test implements Runnable{ public static void main(String[]args){ _______________________________________ t. start() } public void mR(){ System. out. println('Hello!') }} 在程序下画线...
C.
Thread t=new Thread(new Test())