Methods

Function declaration

int multiply(int a, int b) {
    return a*b;
}

func multiply(a, b int) int  {
	return a*b
}

Multiple results

class Person {
    String name;
    int age;
    Person(String name, String age) {
        this.name = name;
        this.age = age;
    }
}
Person getNameAndAge() {
    return new Person("John", 18)
}
Person person = getNameAndAge();
var name = person.name;
var age = person.age;

func getNameAndAge() (string, int){
	return "John", 18
}
var name, age = getNameAndAge()

Error handling

try {
      int i = Integer.parseInt("96");
    } catch (NumberFormatException e) {
      System.out.err("couldn't convert: " + e.getMessage());
      return;
    }
}

i, err := strconv.Atoi("96")
if err != nil {
	fmt.Printf("couldn't convert: %v", err)
	return
}