java假期练习程序.rar
importjavax.swing.JOptionPane;
publicclassProduct{
publicstaticvoidmain(Stringargs[])
{StringfirstNumber;
StringsecondNumber;
intnumber1=0;
intnumber2=0;
intproduct;
firstNumber=JOptionPane.showInputDialog("输入乘数");
secondNumber=JOptionPane.showInputDialog("shurubeichengshu"
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