Computer scienceProgramming languagesJavaBasicsStrings

Processing strings

Theory

Determine the value

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Given code that processes strings:

String str1 = "aaabbcccdaa";
String str2 = " ";

for (int i = 0; i < str1.length(); i++) {
    char ch = str1.charAt(i);
    if (ch != str2.charAt(str2.length() - 1)) {
        str2 += ch;
    }
}

What is the value of str2?

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