$ javac MatchTest.java 
MatchTest.java:7: ')' expected
        for((int i=-1 && String match="hello"); (i=text.indexOf(match)+1);)
                ^
MatchTest.java:7: ';' expected
        for((int i=-1 && String match="hello"); (i=text.indexOf(match)+1);)
                               ^
MatchTest.java:7: ';' expected
        for((int i=-1 && String match="hello"); (i=text.indexOf(match)+1);)
                                             ^
MatchTest.java:7: not a statement
        for((int i=-1 && String match="hello"); (i=text.indexOf(match)+1);)
                                                ^
MatchTest.java:7: illegal start of expression
        for((int i=-1 && String match="hello"); (i=text.indexOf(match)+1);)
                                                                          ^
5 errors
$ cat MatchTest.java 
import java.util.*;
import java.io.*;

public class MatchTest {
    public static void main(String[] args){
        String text = "hello0123456789hello0123456789hello1234567890hello3423243423232";
        for((int i=-1 && String match="hello"); (i=text.indexOf(match)+1);)
            System.out.println(i);
    }
}