import java.lang.*;
import java.util.*;
class TestIndexOf {
this.arr = arr;
}
public int indexOf
(String s
) { for(int i = 0; i <= arr.length-1; i++) {
if(arr[i].equals(s)) {
return i;
}
}
return -1;
}
public static void main
(String[] args
) { for(int i = 0; i < arr.length; i++) {
arr[i] = "str" + i;
}
TestIndexOf test = new TestIndexOf(arr);
Scanner in
= new Scanner
(System.
in); while(in.hasNextLine()) {
System.
out.
println(next
+ ": " + test.
indexOf(next
)); }
}
}
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