var s;
s = "this text" +
  "is missing a space";
s = "the class java.util.ArrayList" +
  "without a space";
s = "This isn't" +
  "right.";
s = "There's 1" +
  "thing wrong";
s = "There's A/B" +
  "and no space";
s = "Wait for it...." +
  "No space!";
s = "Is there a space?" +
  "No!";

("missing " + "a space") + "here";

// syntactic variants:
s = "missing a space" +
    "here";
s = 'missing a space' +
    'here';
s = `missing a space` +
    "here";
s = "missing a space" +
    `here`;
s = `missing a space` +
    `here`;

s = (("h. 0" + "h")) + "word"