Method declaration in Java - Interactive Code Practice

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Practice - 5 Tasks

1fill in blank

easy

Complete the code to declare a method named greet that returns nothing.

Java

public [1] greet() {
    System.out.println("Hello!");
}

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

Avoid

BString

Cint

Dclass

Attempts:

3 left

2fill in blank

medium

Complete the code to declare a method named add that returns an integer.

Java

public [1] add(int a, int b) {
    return a + b;
}

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

Avoid

BString

Cdouble

Dint

Attempts:

3 left

3fill in blank

hard

Fix the error in the method declaration to make it valid.

Java

public [1] calculateSum(int a, int b) {
    return a + b;
}

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Avoid

BcalculateSum

Cint

Dsum

Attempts:

3 left

4fill in blank

hard

Fill both blanks to declare a method named multiply that returns the product of two doubles.

Java

public [1] multiply([2] a, [2] b) {
    return a * b;
}

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

Adouble

Bint

Cfloat

DString

Attempts:

3 left

5fill in blank

hard

Fill all three blanks to declare a method named isEven that returns true if a number is even.

Java

public [1] isEven([2] num) {
    return num [3] 2 == 0;
}

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

Aboolean

Bint

C%

Ddouble

Attempts:

3 left