Test topic A 30_ R

A

asdf

B

asdf

C

sdf

D

sdaf

E

1

Bash

$num1 = 20;
$num2 = 10;

if [ "$num1" -eq "$num2" ]; then
    echo "Numbers are equal"
elif [ "$num1" -gt "$num2" ]; then
    echo "First number is greater"
else
    echo "Second number is greater"
fi

# Checking the password entered by user

echo "Enter password: "
read input
if [ $input = "Pass!@#" ]; then
    echo "Correct password entered"
fi

$ for i in $(seq 1 2 5); do
    echo "Number: $i";
  done
Number: 1
Number: 3
Number: 5

$ i=1
$ while [ $i -le 3 ]; do
    echo "I is $i";
    i=$(($i+1));
  done
I is 1
I is 2
I is 3

$ while true; do
    echo "To stop execution of a loop, use CTRL+C"
  done

Go

var s int             
var i int            
                      
for ; i < 50; i++ {   // step 3, 4, 8; you can have a sparse loop declaration
    if s > 100 {      
        break         
    }
    if i % 2 == 0 {              
        continue      
    }                 
    s += i            
}                     
                      

Kotlin

class Author(id: Int, login: String, email: String, val books: String): User(id, login, email) {
    override fun toString(): String {
        return "Author{id=$id, login=$login, email=$email}, books: $books"
    }
}

val user = User(1, "marys01", "mary0101@gmail.com")
val author = Author(2, "ohwilde", "wilde1854@mail.ie", "Someone’s portrait")
    
println(user)   // User{id=1, login=marys01, email=mary0101@gmail.com}
println(author) // Author{id=2, login=ohwilde, email=wilde1854@mail.ie, books: Someone’s portrait

Python

pets = ['dog', 'cat', 'parrot']
for pet in pets:
    if pet == 'dog':
        continue
    print(pet)

pancakes = 2
while pancakes > 0:
    print("I'm the happiest human being in the world!")
    pancakes -= 1
    if pancakes == 0:
        print("Now I have no pancakes!")
        break
else:
    print("No pancakes...")

Java

class Human {
    String name;
    int age;

    public static void averageWorking() {
        System.out.println("An average human works 40 hours per week.");
    }

    public void work() {
        System.out.println(this.name + " loves working!");
    }

    public static void main(String[] args) {    
        Human.averageWorking(); // "An average human works 40 hours per week."
        
        Human alice =  new Human();
        alice.name = "Alice";
        alice.work(); // "Alice loves working!"
    }

}

JS

// literal notation
let arr = [element_1, element_2, element_3, element_n];

let arr1 = ['JetBrains', 'Hyperskill'];
let arr2 = [45, 34, 23];
let arr3 = ['JavaScript', 12];

// Multiple arguments
let platforms = new Array('JetBrains', 'Hyperskill', 'WebStorm', 'PyCharm');

console.log(platforms.length); // 4
console.log(platforms[0]); // JetBrains