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string8.java

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public class string8 {

public static void main(String[] args) {

String str = "Find the spaces in this string.";

char[] nameArray = str.toCharArray();

for (int i = 0; i < nameArray.length; i++) {

if (str.charAt(i) == ' ') {

nameArray[i] = '@';

}

}

str = new String(nameArray);

System.out.println("Modified string: " + str);

}

}

// Replace spaces with '@'

// StringBuilder modifiedStr = new StringBuilder(str);

// for (int i = 0; i < modifiedStr.length(); i++) {

// if (modifiedStr.charAt(i) == ' ') {

// modifiedStr.setCharAt(i, '@');

// }

// }

// System.out.println("Modified string: " + modifiedStr.toString());