TestImports

public class CheckImports {
    public static void main(String[] args) {
        String[] theClass = {
                "import java.x;",
                "import java.y;",
                "import java.z;",
                "import java.x;", };

        checkImports(theClass);
    }

    private static void checkImports(String[] theClass) {
        // import tester
        for (int i = 0; i < theClass.length; i++) {
            for (int j = 0; j < i; j++) {
                if (theClass[i].equals(theClass[j])) {
                    System.out.printf("Strings are equal for i,j: [%d, %d]%n", i, j);
                }
            }
        }
    }
}