Static blocks in Java - Interactive Code Practice

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Practice - 5 Tasks

1fill in blank

easy

Complete the code to declare a static block in Java.

Java

class Example {
    static [1] {
        System.out.println("Static block executed");
    }
}

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

Ablock

Bfinal

Cvoid

Dstatic

Attempts:

3 left

2fill in blank

medium

Complete the code to print a message from a static block.

Java

class Demo {
    static {
        System.out.[1]("Hello from static block");
    }
}

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

Aprintln

Bprint

Cwrite

Dprintf

Attempts:

3 left

3fill in blank

hard

Fix the error in the static block declaration.

Java

class Test {
    static [1]() {
        System.out.println("Static block");
    }
}

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

Astatic

Bvoid

Cblock

Dmain

Attempts:

3 left

4fill in blank

hard

Fill both blanks to create a static block that initializes a static variable.

Java

class Counter {
    static int count;
    static [1] {
        count [2] 100;
    }
}

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

Astatic

B=

C+=

Dvoid

Attempts:

3 left

5fill in blank

hard

Fill all three blanks to create a class with a static block that prints a message and initializes a static variable.

Java

class Init {
    static int number;
    static [1] {
        System.out.[2]("Initializing number");
        number [3] 42;
    }
}

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

Astatic

Bprintln

C=

Dprint

Attempts:

3 left