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Screenshot of code:
Code:
import java.util.Scanner;
import java.lang.StringBuilder;
//Class StringCode
public class StringCode
{
public static String blowup(String str)
{
//stb is used for
holding the desired string str.
StringBuilder stb = new
StringBuilder(str);
//substr is used for the
substring which replaces the number in the string as desired.
String substr =
"";
//getting the ascii
value of the characters of str in an array b.
byte[] b =
str.getBytes();
//The following loop
iterates upto the second last character as...
//there is no need to
check the following condition for the last character.
for(int i = 0; i <
str.length()-1; i++)
{
//Checking whether there is any number in the string.
if(b[i] >= 48 && b[i] <= 57)
{
//Get the integer value of the number.
int n = Integer.parseInt(str.substring(i,i+1));
substr = "";
//Repeat the next character of the digit for that many times.
for(int j = 0; j < n; j++)
{
//substr consists of the repiting character.
substr += str.substring(i + 1, i + 2);
}
//Replace the digit by substr
stb.replace(i, i + 1, substr);
}
}
//Return the string
value of stb.
return
stb.toString();
}
public static int maxRun(String str)
{
//Default value of
count.
int count, max =
1;
//The following loop
iterates upto the second last character as...
//there is no need to
check the following condition for the last character.
for(int i = 0; i <
str.length()-1; i++)
{
count = 1;
//Compare a character with the next to check the occurrences.
if(str.charAt(i) == str.charAt(i + 1))
{
// Using do-while loop to calculate the length of the run
do{
count++; // Increase count
i++; // Move to next character
}while(i < str.length()-1 && str.charAt(i) ==
str.charAt(i + 1)); // Checking if the run continues
if(max < count) // Updating maximum run
max = count;
}
}
return max;
}
public static void main(String[] args)
{
Scanner sc = new
Scanner(System.in);
System.out.println("Enter the string:");
String str =
sc.nextLine();
System.out.println("Test
1");
String result =
blowup(str);
System.out.println("Result for test 1 = " + result);
System.out.println("Test
2");
int num =
maxRun(str);
System.out.println("Result for test 2 = " + num);
}
}
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