add solution to problem number 5.2,

idea changes

Author: abdurahmanadilovic

.idea/workspace.xml

@@ -0,0 +1,15 @@
+package ch5PrimitiveTypes
+
+fun main(args: Array<String>) {
+    println(swap(10, 0, 3))
+}
+
+fun swap(x: Int, j: Int, i: Int): Int {
+    var xCopy = x
+    if(x.shr(i).and(1) != x.shr(j).and(1)){
+        xCopy = x.xor(1.shl(i).or(1.shl(j)))
+    }
+
+    return xCopy
+}
+