Write A Function
String expnadString(String x);
string x="1,2,3,6";
output : 1,2,3,4,5,6
x=1,....,4....,10
output:
1,2,3,4,5,6,7,8,9,10
public class ExpandMyString {
public static void main(String[] args) {
TestData obj = new TestData();
String x = "1,2,3,15,......,20,....,30";
System.out.println("out put=" + obj.expnadString(x));
}
public String expnadString(String x) {
String[] namesOfArray = x.split(",");
char[] arr = namesOfArray[namesOfArray.length - 1].toCharArray();
int i = 0;
int num = 0;
int zeroAscii = (int) '0';
while (i < arr.length) {
int charAscii = (int) arr[i];
num = num * 10 + (charAscii - zeroAscii);
i++;
}
String y = "";
for (int j = 1; j < num; j++) {
y += j + ",";
}
y += num;
return y;
}
}
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