全国计算机等级考试二级程序填空题

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1、·全国计算机等级考试二级Java捷成模拟上机试题全部是程序填空题，需要填空的语句用”//”注释了，答案就是该语句后面的语句1."//计算两个整数的乘法importjavax.swing.JOptionPane;publicclassJava_1{publicstaticvoidmain(Stringargs[]){intx,y,result;StringxVal,yVal;xVal=JOptionPane.showInputDialog(""输入第1个整数:"");yVal=JOptionPane.showInputDialog(""

2、输入第2个整数:"");//*********Found********//x=Integer.parseInt(_____________);x=Integer.parseInt(xVal);y=Integer.parseInt(yVal);result=x*y;//*********Found********//JOptionPane._________________________(null,""两个数的积:""+result);JOptionPane.showMessageDialog(null,""两个数的积:""+res

3、ult);System.exit(0);}}"2."//用一个打印语句输出多行结果publicclassJava_1{publicstaticvoidmain(Stringargs[]){//*********Found********//_________________________(""欢迎你参加Java考试"");System.out.print(""欢迎你参加Java考试"");}}"3."importjava.io.*;publicclassJava_1{publicstaticvoidm

4、ain(String[]args){····char[]charArray={'a','b','c','d','e','f','g','h','i'};charc;try{//*********Found**********//DataOutputStreamout=new______________________(DataOutputStreamout=newDataOutputStream(newFileOutputStream(""test.dat""));for(inti=0;i

5、out.writeChar(charArray[i]);}out.close();DataInputStreamin=newDataInputStream(//*********Found**********//newFileInputStream(""____________________""));newFileInputStream(""test.dat""));while(in.available()!=0){c=in.readChar();System.out.print(c+"""");}System.out.printl

6、n();//*********Found**********//in.____________________();in.close();}catch(IOExceptione){}}}"4."importjavax.swing.*;importjava.text.DecimalFormat;publicclassJava_1{//*********Found**********//publicstatic___________________main(Stringargs[]){publicstaticvoidmain(String

7、args[]){SimpleTimet=newSimpleTime(12,30,19);//*********Found**********//___________________.showMessageDialog(null,t.buildString(),JOptionPane.showMessageDialog(null,t.buildString(),""""this""引用示范"",JOptionPane.INFORMATION_MESSAGE);System.exit(0);}}····classSimpleTime

8、{privateinthour,minute,second;publicSimpleTime(inthour,intminute,intsecond){this.hour=hour;this.minute=minute;