java iterate over a string
String scientistName = "Isaac Newton";
for (int i = 0; i < scientistName.length(); i++) {
System.out.print(scientistName.charAt(i) + " "); // I s a a c N e w t o n
}
//*********************************************************
// you can cast a string into a char[]
String str = "strings are not primitive types!";
for (char ch : str.toCharArray()) {
System.out.print(scientistName.charAt(i) + " ");
}
}java go troght loop object
import java.util.List;
import java.util.ArrayList;
List<String> list = new ArrayList<>();
list.add("first");
list.add("last");
for(String s : list) {
if (s != null) {
//do whaterver wanted
// example:
System.out.println(s);
}
}Copyright © 2021 Codeinu
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