while Demo
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public class WhileDemo {
public static void main(String[] args) {
String copyFromMe = "Copy this string until you encounter the letter 'g'.";
StringBuffer copyToMe = new StringBuffer();
int i = 0;
char c = copyFromMe.charAt(i);
while (c != 'g') {
copyToMe.append(c);
c = copyFromMe.charAt(++i);
}
System.out.println(copyToMe);
}
}
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