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Revised: Feb./20th/2003: Since: Dec./26th/2001

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// $B%Q%C%1!<%8L>(B
package test.my.demo;
// $BB>$N%Q%C%1!<%8$N%/%i%9$NMxMQ@k8@(B
import java.math.BigInteger;
// $B%$%s%?%U%'!<%9(B
interface InterfaceDemo {
	public void setBalance(String x);
	public void printBalance();
}
// $B%/%i%9(B
// $B%$%s%?%U%'!<%9(B InterfaceDemo $B$r

$B%/%i%9(B ClassDemo $B$O!"%$%s%?%U%'!<%9(B InterfaceDemo $B$r

setBalance() $B$G$O!"(BBigInteger $B7?%*%V%8%'%/%H(B balance $B$r@8@.$7$F!"%a%s%P$NJQ?t(B balance $B$KBeF~$7$F$$$^$9!#(B

printBalance() $B$G$O!"JQ?t(B balance $B$r=PNO$7$F$$$^$9!#$=$N:]$K!"(BSystem $B%/%i%9$N(B out $BJQ?t$KBeF~$5$l$F$$$k%*%V%8%'%/%H$N(B println() $B%a%=%C%I$r;H$C$F$$$^$9!#(B

ClassDemo $B%/%i%9$+$i%*%V%8%'%/%H$r@8@.$9$k$K$O!"

// ClassDemo $B7?%*%V%8%'%/%H(B account $B$N@8@.(B
ClassDemo account = new ClassDemo();
// account $B%*%V%8%'%/%H$N(B setBalance() $B%a%=%C%I$NMxMQ(B
account.setBalance("10000");
// account $B%*%V%8%'%/%H$N(BprintBalance() $B%a%=%C%I$NMxMQ(B
account.printBalance();


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