E-mail is a(n) ______ message delivery system that allows information such as typed messages and multimedia to be sent to individual compmer users．A．graphic-basedB．char-basedC．web-basedD．text-based
E-mail is a(n) ______ message delivery system that allows information such as typed messages and multimedia to be sent to individual compmer users．
A．graphic-based
B．char-based
C．web-based
D．text-based
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（ 24 ）阅读下面程序import javax.swing.JOptionPane;public class BreakLabelTest {public static void main( String args[] ){String utput = "";stop: {for ( int row = 1; row = 10; row++ ) {for ( int column = 1; column = 5 ; column++ ) {if ( row == 5 )break stop;output += "* ";}output += "\n";}output += "\nLoops terminated normally";}JOptionPane.showMessageDialog(null, output," 用一个标志测试 break 语句 ",JOptionPane.INFORMATION_MESSAGE );System.exit( 0 );}}程序运行结果是A ）窗口中有 5 行 * * * * *B ）窗口中有 5 行 * * * *C ）窗口中有 4 行 * * * * *D ）窗口中有 6 行 * * * * *
阅读下面程序import javax.swing.JOptionPane；public class BreakLabelTest{public static void main (String args[]){String utput=" "；stop:{for(int row=1；row＜10；row++){for(int column=1;column＜=5；column++){if(row＝5)break stop；output+=" * "；}output+=" \n "；}output+="\nLoops terminated normally"；}JOptionPane.showMessageDialog(null，output,"用一个标志测试break语句”，JOptionPane.INFORMATION_MESSAGE)；System.exit(0)；}}程序运行结果是A．窗口中有5行* * * * *B．窗口中有5行* * * *C．窗口中有4行* * * * *D．窗口中有6行* * * * *
阅读下面程序import javax.swing.JOptionPane；public class BreakLabelTest {public static void main(String args[]) {String utput=" "：stop：{for(int row=1;row＜=10;row++) {for(int column=1;column＜=5;colunm++) {if(row==5)break stop；output+="*"：}output+="\n";}output+="\nLoops terminated normally"：}JOptionPane.showMessageDialog(null,output,"用一个标志测试break语句"，JOptionPane.INFORMATION_MESSAGE)；System.exit(0)；}}程序运行的结果是A．窗口中有5行*****B．窗口中有5行****C．窗口中有4行*****D．窗口中有6行*****
阅读下面程序importjavax.swing.JOptionPane;publicclassBreakLabelTest{publicstaticvoidmain(Stringargs[]){Stringoutput="";stop:{for(introw=1;row＜=10;row++){for(intcolumn=1;column＜=5;column++){if(row=5)breakstop;output+="*";}output+="\n";}output+="\nLoopsterminatednormally";}JOptionPane.showMessageDiaiog(null,output,"用一个标志测试break语句",JOptionPane.INFORMATION_MESSAGE);System.exit(0);}}程序运行结果是()。A．窗口中有5行*****B．窗口中有5行****C．窗口中有4行*****D．窗口中有6行*****
分析下面代码, 当调用 nPrint（“a”, 4)方法时会出现什么结果？ static void nPrint（String message, int n) { while （n ＞ 0) { System.out.print（message); n--; } }A．aaaaaB．aaaaC．aaaD．非法调用
指明程序的错误，并书写修改后的正确代码。 public class Test{ public static void main（String [] args){ nPrintln（“welcome to Java”,5);} public static void nPrintln（String message,int n){ int n = 1; for（int i= 0;i＜n;i++){ System.out.println（message); } }}