Kotlin basics

1.kt

fun main() {
     
    var a : Int = 100                      // int
    var name : String = "Muffakir Hamid"   // string
    var percentage : Float = 0.3f          // float
    var charValue : Char = 'y'             // char
    var isLoading : Boolean = true         // boolean
    val schoolName : String = "Salfiya High School"  
    
    a = 100
    
    println(  + 2)
 
 
}

fun printName(name : String) {
    println("Hello ${name}")
}

2.kt

fun main() {
    
    var a = 2
    var b = 2
    var c = a + b
    
    println( c)
    
}

AssignmentOperators.kt

fun main() {
    
    // Assignment operators , + - * / %
    
    var a = 3
    var b = 2
    
    //a = a + 10  // 13
    a += 10
    
    
    var c = a + b
   
    println( c)

}

CiomparisonOperators.kt

fun main() {
    
    
    var a = 10
    var b = 20
    
    println(a>b)
    println(a<b)
    print(a==b)
    println(a>=b)
    println(a<=b)
    println(a != b)
   
  


}

LogicalOperators.kt

fun main() {
    
     // Logical operators  && || 
    
     var marks = 101
    
      if((marks > 40) &&  (marks < 50)){
          println("Passs")
      }
      else if(marks > 50 && marks < 60){
          println("Goood...")
      }
      else if(marks > 60 && marks < 70){
          println("Nice...")
      }
      else if(marks > 70 && marks < 90){
          println("Outstanding...")
      }
      else if(marks > 90 && marks <= 100){
          println("Kalkharraaab...")
      }
      else{
          println("Invalid")
      }
  
      
    
}

operators.kt

fun main() {
    
    // Airthmetic operators , + - * / %
    
    var a = 3
    var b = 2
    var c = a % b
    
    println( c)

}

Unary.kt

fun main() {
    
    // Unary operators , + - * / %
    
    var bool : Boolean = true
    
    
    //a = a + 1
    //a += 1
    //a++
    //a--
    //-a
    //!bool
   
    bool = !bool
    
    
   
    println(bool)

}