java-arrays-refresher

solutions/day-01/arraysExercise1.js

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+// declare empty array
+let arr = new Array();
+let arr1 = new Array(6)
+
+// find length of array
+console.log(arr1.length)
+
+// get the first, middle and last item of the array
+arr1 = [1,2,3,4,5,6]
+let first = arr1[0];
+let last = arr1[arr1.length-1] 
+let middle = arr1[arr1.length/2-1]
+
+console.log(`first: ${first} \nmiddle: ${middle} \nlast: ${last}`)
+
+// 
+itCompanies = ['Facebook','Google','Microsoft','Apple','IBM','Oracle','Amazon']
+console.log(itCompanies)
+
+// print each company
+for(const company of itCompanies){
+    console.log(company)
+}
+
+console.log("\n")
+
+itCompanies.forEach(element => {
+    console.log(element)
+});
+
+// change the company name to uppercase and print one by one
+itCompanies.forEach(element => {
+    element = element.toUpperCase()
+    console.log(element)
+});
+
+let company1 = 'Amazon'
+let company2 = 'PayPal'
+
+if(itCompanies.includes(company2)){
+    console.log("The IT company is " + company1)
+}
+else{
+    console.log("It is not an IT company")
+}
+
+// Filter out companies which have more than one 'o' without the filter method
+
+// sort the array using sort method - the sorting is based on alphabetical order
+console.log(itCompanies.sort())
+
+// slicing the first three companies from the array
+console.log(itCompanies.splice(0,3))
+
+// slicing the last three companies from the array
+console.log(itCompanies.splice(arr.length-3))
+
+// -----------------------------------------------------------------------------
+// EXERCISE: LEVEL 2
+

solutions/day-01/tempCodeRunnerFile.js

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+if(itCompanies.includes(company1)){
+//     console.log("The IT company is" + company1)
+// }
+// else{
+//     co