下列代码的下画线处应填入的方法名是()。 import java.awt.*; import java.applet.*; public
A. repaint
B. println
C. paint
D. show
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下列程序的输出结果是()。 class Test{ public static void main(String args[]){ int n=7: n<<=3; n=n&n+1|n+2^n+3; n>>=2: System.out.println(n); } )
A. 0
B. -l
C. 14
D. 64
下面程序段的输出结果是()。 class Test{ public s,tatic void main(String args[]){ MyThread t=new MyThread; displayOutput("t has been createD"); start; } } Class MyThread extends Thread{ public void displayOutput(String s){ System.out.println(s); } public void run{ displayOutput("t is running."); } }
A. t has been created.
B. t has been created. t is running.
C. t is running.
D. 编译出错
能打印出一个双引号的语句是()。
A. System.out.println{""};
B. System.out.println{"*"};
C. System.OUt.println{¨/"};
D. System.OUt.println(¨\¨"};