Static methods in Java - Interactive Code Practice

ads_click

Practice - 5 Tasks

1fill in blank

easy

Complete the code to declare a static method named greet.

Java

public class Hello {
    public static void [1]() {
        System.out.println("Hello, world!");
    }
}

🎯 Drag options to blanks, or click blank then click option

Agreet

Brun

Cstart

Dmain

Attempts:

3 left

2fill in blank

medium

Complete the code to call the static method greet from the main method.

Java

public class Hello {
    public static void greet() {
        System.out.println("Hello, world!");
    }

    public static void main(String[] args) {
        [1]();
    }
}

🎯 Drag options to blanks, or click blank then click option

AHello.greet

Bnew Hello().greet

Cgreet

Dthis.greet

Attempts:

3 left

3fill in blank

hard

Fix the error in calling the static method greet from another class named App.

Java

public class Hello {
    public static void greet() {
        System.out.println("Hello from Hello class!");
    }
}

public class App {
    public static void main(String[] args) {
        [1]();
    }
}

🎯 Drag options to blanks, or click blank then click option

AHello.greet

Bgreet

CApp.greet

Dnew Hello().greet

Attempts:

3 left

4fill in blank

hard

Fill both blanks to create a static method square that returns the square of an integer.

Java

public class MathUtils {
    public static int [1](int num) {
        return num [2] num;
    }
}

🎯 Drag options to blanks, or click blank then click option

Asquare

B*

C+

Dmultiply

Attempts:

3 left

5fill in blank

hard

Fill all three blanks to create a static method isEven that returns true if a number is even, otherwise false.

Java

public class NumberUtils {
    public static boolean [1](int n) {
        return n [2] 2 [3] 0;
    }
}

🎯 Drag options to blanks, or click blank then click option

AisEven

B%

C==

D!=

Attempts:

3 left