Es.

codice:
public void testTwoIntegersEqual() {
    assertTrue(new Integer(123).equals(new Integer(123)));
}

public void testTwoIntegersNotEqual() {
    assertFalse(new Integer(123).equals(new Integer(12345)));
}

public void testIntegerNotEqualToOtherType() {
    assertFalse(new Integer(123).equals("xyz"));
}