JAVA

try catch

try {
  try_statements
}
catch (exception_var) {
  catch_statements
}
finally {
  finally_statements
}

try catch

async function promHandler<T>(
  prom: Promise<T>
): Promise<[T | null, any]> {
  try {
    return [await prom, null];
  } catch (error) {
    return [null, error];
  }
}

try/catch

gooi: function () {
        try {
            if (this.balPositie !== "links") {
                throw Error("bal in verkeerde positie")
            }
            this.draw(300, 50);
            this.balPositie = "midden";
        } catch {
            var bericht = "fout, bal al in de lucht of al gevangen";
            document.getElementById("melding").innerHTML = bericht;
        }
    },